You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Samuel Johnson here. I want to attend a Shuttle tournament in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you please provide me your journey dates?

USER: My departure date is 07/24 and return date is 07/26.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: My airport codes are from SFO to PHL.

ASSISTANT: Ok, please wait for a while.

USER: Make sure my price limit is 200.

ASSISTANT: There is a flight available from Frontier airlines with ticket fare 100 only, shall I proceed for booking your ticket?

USER: If the connections limit is 1, then proceed for booking the ticket.

ASSISTANT: Sorry, there are no flights available with 1 connection.

USER: Thank you for helping me. Thank you for the information.

ASSISTANT: You are welcome.