You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Hill.

ASSISTANT: How can I help you?

USER: I would like to book a flight ticket from JFK, to shoot a short film with my colleagues in Houston.

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are Dec 30 to Jan 1.

ASSISTANT: Can I know your preferred destination airport code?

USER: My landing airport code is HOU.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight which depart in morning and return in evening.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: No issue, thank you.

ASSISTANT: Thank you for opting us.