You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: This is Timothy Garcia.

ASSISTANT: Thanks for providing your name.

USER: I want you to book a flight from DCA to DEN.

ASSISTANT: Sure, to proceed further, we need to know your journey dates?

USER: My preferable dates are 05/21 to 05/23.

ASSISTANT: Thanks for giving details, please wait for a while I will check the status and return back to you.

USER: OK.

ASSISTANT: Thanks for waiting, we are happy to say that there is a flight found as your journey points and dates.

USER: Can you provide the details?

ASSISTANT: Sure, the flight details are Frontier airline, price of 100, and the flight number is 1005. Shall I proceed for booking?

USER: May I know the details of connection?

ASSISTANT: OK, flight has only one connection limit.

USER: OK. Please book it.

ASSISTANT: OK, please wait. Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: It's my pleasure to help you.