You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from DFW to HOU?

ASSISTANT: Sure, we are here to help you. Can you please help me with your travel dates?

USER: My travelling dates are Nov 30 and Dec 02.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specification?

USER: No.

ASSISTANT: Please share your name.

USER: My name is Donna Phillips.

ASSISTANT: There is a flight with your requirement, airline is American Airlines with price 200 and single connection. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1000 in economy class.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.