You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to go for Grand Canyon Adventure at Philadelphia, can you please book a ticket?

ASSISTANT: Sure, please provide your source and destination?

USER: My destination code PA-PHL and source code is MI-DTW.

ASSISTANT: Can you please share your travel dates?

USER: My preferred travel dates are 02/14 to 02/16.

ASSISTANT: Ok, may I know your name?

USER: I am Nicholas Edwards.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight. Price should not exceed 200.

ASSISTANT: We are glad to say an airline Delta with flight number 1003 is matching with your requirements. Price 100 with a single connection. Shall I process your reservation for this airline?

USER: You can go ahead with reservation.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thank you for your confirmation.

ASSISTANT: Thank you for opting us, have a safe journey.