You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a ticket from PHL to DTW to meet my childhood friend.

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are July 23 and July 25.

ASSISTANT: Do you have any connection limit?

USER: I want single connection.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Paul Nelson.

ASSISTANT: We found a direct flight of fare 100 with airline Hawaiian and number 1014. Can I book?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.