You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from DFW to DCA. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly share your travel dates.

USER: I want to travel in the flight on Apr 01 and Apr 03.

ASSISTANT: Do you have any connection limit?

USER: I want to travel in a connecting flight.

ASSISTANT: Is there any other specification?

USER: No.

ASSISTANT: Please share your name.

USER: Donna Smith.

ASSISTANT: There is a flight with your requirement, airline is America Airlines with price 100 and single connection. Shall I proceed with booking?

USER: Proceed to booking.

ASSISTANT: Your booking is done and flight number is 1007 and economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.