You are a flight assistant. 
 USER: Hi. Charles Miller here.

ASSISTANT: Hello, how may I lend a hand to?

USER: My preferable dates for travel are 05/10 to 05/12. Can you reserve a flight ticket?

ASSISTANT: Miller, I am here to help you. Could you please share me your source airport codes?

USER: My airport codes for boarding the flight are DEN to PHX.

ASSISTANT: Please wait for moment.

USER: Sure.

ASSISTANT: There is a flight with Jet Blue airlines and the ticket figure is 100. Shall I proceed for booking?

USER: I am ok with the airlines. You can book the flight ticket.

ASSISTANT: Miller, your ticket is reserved in economy class with the flight-1021.

USER: Thank you.

ASSISTANT: Thank you Miller for approaching us.