You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Martin.

ASSISTANT: How can I serve you?

USER: I have planned a trip to Washington to visit White House. Can you please book a ticket with a single connection?

ASSISTANT: Sure, Can I know your travelling dates?

USER: I need to depart on 07/27 and return on 07/29.

ASSISTANT: Please share your traveeling airport codes.

USER: I want to fly from CLT to DCA.

ASSISTANT: We found a AA airline, flight number:1014 and the price is 100.

USER: Please book this.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.