You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be at your help?

USER: I am Nancy Smith. I want to make a reservation to San Francisco, CA - SFO to attend a interview. Can you book a ticket for me?

ASSISTANT: Sure, we would be happy to help you.

USER: Thank you.

ASSISTANT: Please let me know your journey dates.

USER: Sure, journey dates are on 11/04 and 11/06.

ASSISTANT: Ok, from which airport are you willing to start your journey?

USER: I will start my journey from PHL.

ASSISTANT: Is there any preference in connection?

USER: I need a single connection.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for being on hold, we have a connecting flight in Delta airline at a fare of 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Your reservation is done in flight number 1004.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.