You are a flight assistant. 
 USER: Hello. My name is Jeffrey Allen.

ASSISTANT: Hello how may I help you?

USER: I would like to travel from IAH to DCA.

ASSISTANT: Ok, can you tell me your travel dates to proceed?

USER: My preferable dates are from 07/27 to 07/29.

ASSISTANT: I found a flight 1002 of AA airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Most welcome.