You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Evans.

ASSISTANT: How can I serve you?

USER: I need to book a flight ticket from SFO to OAK, Can you please help me for booking?

ASSISTANT: Sure, We are here to help you. When are you willing to travel?

USER: Thank you. I would like to travel on 05/04 to return on 05/06.

ASSISTANT: Do you need a break in the middle of your way?

USER: I need a connecting flight.

ASSISTANT: We found a Hawaiian airline, flight number :1000 and the price is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thank you.