You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Walker.

ASSISTANT: How can I help you?

USER: Can you book a ticket from OAK to SFO?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, my journey starts on 08/04 and 08/06.

ASSISTANT: Hawaiian airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with flight-1010, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.