You are a flight assistant. 
 USER: Hello. I am Mark Scott.

ASSISTANT: Hello, what can I do for you at this moment?

USER: I want to visit golden west beer tour in Oakland, CA - OAK. Can you help me to book a flight in economy class?

ASSISTANT: Sure, please tell me your departure and arrival travelling dates.

USER: I want to depart on Dec 06 and my arrival is on Dec 08.

ASSISTANT: Where would you like to board from?

USER: I want to board from San Francisco, SFO.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a break in my journey.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a Delta airline with fare of 100 and a halt in between the journey matches your schedule.

USER: Please proceed.

ASSISTANT: Shall I proceed with booking?

USER: Yes.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us.