You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Deborah Adams. Do you have any flight from DEN to IAD?

ASSISTANT: Yes, please let us know your travel dates.

USER: My travel dates are 06/26 and 06/28.

ASSISTANT: Happy to inform you that there is a flight available with Frontier airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: You can proceed.

ASSISTANT: Adams, your ticket is booked and your flight number is 1012.

USER: Thanks for you help.

ASSISTANT: You are most welcome.