You are a flight assistant. 
 USER: Hi. I am Gary Green.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please reserve me a flight ticket from San Francisco, CA - SFO to Philadelphia, PA - PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 12/24 - 12/26.

ASSISTANT: Do you have any time specification?

USER: No, I do not have any time preferences.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Delta airline. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your booking has been confirmed with a flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for availing us.