You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Amy Anderson from Dallas. I want to go Houston next month, can you please book a direct flight for me?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your planned dates of travelling?

USER: Thank you, I want to take off on 07/12 and book my return ticket also on 07/14.

ASSISTANT: Ok, may I know your nearest airport codes for booking?

USER: I want to fly from DFW and destination airport is HOU.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no direct flights available in your route with your planned dates of travelling.

USER: Oh! It's ok no problem, I will go with another airline service.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Thank you for your information.

ASSISTANT: Welcome.