You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Patrick Walker.

ASSISTANT: Ok.

USER: I need to book a ticket with fare of 5000 from PHL to DEN to meet my sister in  marriage. Could you please help me in doing that?

ASSISTANT: Sure, could you please help me with your travel dates?

USER: My travelling dates are 05/24 and return on 05/26.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in Delta airline has fare 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with 1006 flight.

USER: Thank you.

ASSISTANT: Thank you for reaching us.