You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Rebecca Wright. I need a direct flight to attend my Granny's sister funeral in Dallas, could you please help me in booking a flight ticket?

ASSISTANT: Sure, can I have your dates of journey please?

USER: I would like to fly on 11/10 and return on 11/12.

ASSISTANT: May I know your source and destination points please?

USER: My source is Houston, TX - HOU and destination code is TX - DFW.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any flights matching your details.

USER: Not an issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you.