You are a flight assistant. 
 USER: Hello, Ryan Evans here.

ASSISTANT: Hello, how can I assist you at this moment?

USER: My friend has invited to attend a party at San Francisco. Can you help me in booking a ticket from PHX to SFO?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: I am planning my journey on dates 11/22 and 11/24.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: Frontier airlines is providing service on this route with a ticket fare of 100, shall I book your ticket?

USER: Please proceed for booking the ticket.

ASSISTANT: Ryan Evans, your ticket is booked with flight number 1009.

USER: Thank you for your assistance.

ASSISTANT: Thank you and have a safe journey.