You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Raymond Baker here.

ASSISTANT: How can I assist you at this moment?

USER: Actually, I am looking for a direct flight to my journey because of some urgency. So can you please help me out with booking of a flight ticket to my destination?

ASSISTANT: Sure Raymond Baker, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide me airport codes of your journey locations?

USER: Sure, I will prefer AUS and EWR as my origin and destination airport codes because they are very convenient to me.

ASSISTANT: Ok Raymond Baker, can I have your travel dates too? These will help me to get best flight for you.

USER: Sure, I am planning to move on 02/25 and please book my return ticket on 02/27.

ASSISTANT: Ok Baker, please wait a moment.

USER: Sorry, because of some busy work, please get back with the flight as soon as possible.

ASSISTANT: Sure Baker, I will  be back with flight details as soon as possible.

USER: Ok, thank you.

ASSISTANT: Sorry Raymond Baker, no flight is available to you on your dates.

USER: Oh! Sad to hear that. Please check once again is there any flight available for me because I need to go there. If you still didn't find any flight in my route, I will reach another airlines to complete my journey. Is it ok for you?

ASSISTANT: Sorry Baker, I have rechecked but I am unable to find any flight in your route due to some weather conditions on your planned dates. So, you can consult another agency this time.

USER: That's fine, thank you for your help in searching of a flight in my route.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Welcome.