You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a ticket from SFO to PHL. Can you please help me out?

ASSISTANT: Sure, may I know your trip dates please?

USER: I am planning to travel on Mar 06 and return back on Mar 08.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a economy class.

ASSISTANT: Can I know your name?

USER: My name is Elizabeth Walker.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 0 connection in Frontier airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1004.

USER: Thank you for your help with booking my flight ticket booking.

ASSISTANT: Most welcome.