You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I serve you today?

USER: Could you please book a ticket from HOU to PHL for grand canyon adventure.

ASSISTANT: Sure, we can help you with it. Let me know your planned travelling dates?

USER: My departure is on 02/13 and 02/15 is return date.

ASSISTANT: May I know your good name ?

USER: I am Frank Scott.

ASSISTANT: We found a flight with a fare of 600, are you comfortable with it?

USER: Is it a direct flight.

ASSISTANT: Its a connecting flight 1016 in AA airline.

USER: Please do not book connecting flight. Thanks.

ASSISTANT: Its ok, thank you for choosing us.