You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Walker.

ASSISTANT: How may I lend a hand to?

USER: Please reserve a flight ticket from Denver, DEN to Washington, DCA to meet my old friends.

ASSISTANT: Sure Walker, I am willing to help you for this. When would you like to travel?

USER: I would like to fly on 07/15 and return on 07/17.

ASSISTANT: Please wait for couple of minutes.

USER: Ok, I will wait.

ASSISTANT: As per your information, there is a flight with Spirit airlines and the ticket figure is 100. Would you like me to make the booking now?

USER: Yes, please book this ticket.

ASSISTANT: Walker, your ticket is reserved in economy class with the flight-1017.

USER: Thank you.

ASSISTANT: You are welcome, thank you Walker for utilizing our agency.