You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Janet Smith. Can you help me to book a flight ticket from IAH to DCA?

ASSISTANT: Sure, may I know your travel dates?

USER: My preferable journey dates are July 03 and July 05.

ASSISTANT: At what time do you like to travel?

USER: I would like to depart in the morning time.

ASSISTANT: We found a flight on your details with United Airlines, flight number: 1022. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.