You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. In which way I can help you today?

USER: I am Larry Garcia here, I would like to travel from PHX to DEN, can you please help me to reserve my ticket?

ASSISTANT: Sure, I will help you in booking flight ticket. Could you please share your travel dates for booking flight ticket?

USER: Ok, my dates of journey is from 03/20 to 03/22.

ASSISTANT: Ok, please give me a moment, I will check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in this route, airline is Frontier and flight number is 1019. Are you ok with this?

USER: Ok, please go ahead.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: Thank you for contacting us, have a nice day.