You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from SFO?

ASSISTANT: Sure, can you share your trip dates?

USER: I would like to take off on Oct 9 and return on Oct 11.

ASSISTANT: Do you need any connections?

USER: I am looking for a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I don't have any other preference.

ASSISTANT: May I know your name?

USER: My name is Dennis Young.

ASSISTANT: Connecting flight number 1029 with price 200 in economy class is available. Is it ok?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.