You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Garcia.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking from PHX to PHL, as I have a farewell party in my college?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are 04/18 to 04/20.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight with price 300 and the connections 1 is available.

USER: You can confirm it.

ASSISTANT: Your ticket is booked. The flight number is 1000 and the airline is Delta.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.