You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Lee here.

ASSISTANT: How may I assist you today?

USER: I want to travel from SEA to PHL, could you please help me to book a flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: Sure, my travel dates are 07/21 and 07/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Frontier airlines is providing a flight on that route with ticket fare of 100 and 1 connection, shall I proceed for booking?

USER: Ok, please confirm my ticket.

ASSISTANT: I have successfully booked your ticket with flight-1002, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.

USER: You are most welcome.