You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Joshua Scott.

ASSISTANT: How can I help you today?

USER: I would like to travel to Philadelphia to meet my friend, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please provide me your airport codes?

USER: Actually, it's a round trip, so my airport code is PHL.

ASSISTANT: On which dates you want to travel?

USER: I have planed some dates are 09/04 and 09/06.

ASSISTANT: Here, I found a flight for you with 1 connection ans fare is 100. Shall I proceed?

USER: Just a second, please search a flight with single connection.

ASSISTANT: Yes, I found a flight with 1 connection.

USER: Sorry, I need a direct a flight.

ASSISTANT: Sorry, no direct flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.