You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: Please search a flight ticket from PHX to DEN?

ASSISTANT: Ok, when have you scheduled journey?

USER: My scheduled travelling dates are Nov 20 and Nov 22.

ASSISTANT: Ok, do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Do you need any layover in journey?

USER: Yes, I need layover in between my journey.

ASSISTANT: May I know your name?

USER: Myself Alexander Hernandez.

ASSISTANT: Any other specifications required?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: JetBlue airline is available on your dates which matches your essentials and it costs you only 100. Shall I proceed to book?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been successfully booked with flight number 1026.

USER: Thank you for your help.

ASSISTANT: Thanks fro reaching us.