You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brandon Martinez here.

ASSISTANT: Brandon, how may I assist you?

USER: I would like to travel Seattle to meet my niece, can you please book a flight ticket from PHX to SEA?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: Ok, my travelling dates are from 12/12 to 12/14.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok, take your time.

ASSISTANT: Flight-1003 is available with Spirit airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Ok, please go ahead for booking.

ASSISTANT: Brandon, your ticket is booked successfully.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome and thank you for choosing us.