You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Melissa Lee.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Phoenix as a round trip, will you help me in booking the flight ticket from PHX?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates to proceed further?

USER: My travelling dates are 02/19 and 02/21.

ASSISTANT: Wait a moment please.

USER: Ok, I will wait for your response.

ASSISTANT: JetBlue airlines is providing service on this route with a ticket fare of 100 and 1 stop over, shall I book your ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Melissa Lee, your ticket is booked in flight number 1018.

USER: Thank you for helping me.

ASSISTANT: Thank you and have a safe journey.