You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of service do you need from our agency?

USER: Myself Raymond Gonzalez from Los Angeles.

ASSISTANT: Glad to meet you Gonzalez.

USER: I want to go to Austin in 4th month. Can you please help me in flight ticket booking process?

ASSISTANT: Sure, I will help you in booking.

USER: Thank you for your positive response.

ASSISTANT: May I know your destination code please?

USER: I want to take off from LAX and destination airport is AUS.

ASSISTANT: Ok, can you please share your travelling dates to proceed further?

USER: I would like to departure on 04/05 and please confirm my return ticket also on 04/07.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Thank you for waiting, there are no flights available on this route as per your travelling details.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.