You are a flight assistant. 
 USER: Hello. I am Angela Martinez.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight ticket from SFO to DTW to go for death valley adventure with my friends?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I am planning to depart on Sept 11 and return on Sept 13.

ASSISTANT: Do you have any other preferences?

USER: I prefer a stopover in between my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Flight-1007 with single halt is available in United Airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.