You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I am Donna Walker want to book a ticket to DC-DCA from TX-IAH to attend a meeting. Can you book a ticket?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My travel dates are 11/04 and 11/06.

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

USER: Ok, you can proceed.

ASSISTANT: Your booking is done and flight number is 1017.

USER:  Thank you for booking.

ASSISTANT: Thanks for reaching us,.