You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Turner here.

ASSISTANT: How can I help you?

USER: I want to book a flight on the route from SEA to PHX for my father's birthday, can you help me?

ASSISTANT: Sure, may I know your dates of travelling?

USER: I will be travelling from 03/03 and returning on 03/05.

ASSISTANT: There is a flight with 1014 number it belongs to Frontier airlines, can I proceed for booking?

USER: Ok, book it.

ASSISTANT: Your reservation is confirmed in single halt flight, it costs you 200.

USER: Thank you for helping me.

ASSISTANT: Have a great journey.

USER: Most welcome.

ASSISTANT: Most welcome.