You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Helen Garcia. I am planning to visit to PHL , can you help me to book a flight ticket for my round trip?

ASSISTANT: Sure Helen, can you please provide me with your dates of journey?

USER: I am travelling from July 15 to July 17.

ASSISTANT: Please wait for a mean while to check for the availability.

USER: Sure.

ASSISTANT: I found a flight with the connecting flight of fare 100 and the airline is Frontier, shall I book this ticket?

USER: Please proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1008.

USER: Thank you.

ASSISTANT: You are welcome, have a happy journey.