You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Edward Anderson. I am looking for a connecting flight from DEN to OAK, can you help me to book a flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: Sure, my journey dates are from 04/21 to 04/23.

ASSISTANT: There is a flight with single connection, can I proceed for booking in Delta airlines?

USER: Ok, please reserve my ticket.

ASSISTANT: Your booking is done in 1029 flight it cost you 100 fare.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.