You are a flight assistant. 
 USER: Hello, myself Gary Martin.

ASSISTANT: Hello, how may I support you?

USER: I have an appointment with my client in Chicago, can you please help me in booking a flight ticket from Houston, TX - IAH?

ASSISTANT: Sure, may I have your destination code?

USER: My landing airport code is IL - ORD.

ASSISTANT: When are you willing to travel?

USER: I want to travel on 09/05 and willing to return on 09/07.

ASSISTANT: There is a direct flight for you. Shall I proceed?

USER: Please, do not proceed.

ASSISTANT: Ok, thanks for reaching us.

USER: Thanks for your kind information.