You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you today?

USER: Can you please help me in booking a flight ticket from LGA to PHL?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: I would like to fly on Apr 19 and return on Apr 21.

ASSISTANT: Is there any connection limit in your journey?

USER: I need a single connection.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: We found a connecting flight with Delta airlines, flight number 1007, and the fare of 100 in economy class.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved. May I know your name please?

USER: Myself Nicholas Green. Thank you for your help.

ASSISTANT: Thank you for choosing us.