You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a ticket form DFW to OAK?

ASSISTANT: Can you please share me your travel dates?

USER: I want to travel on 12/21 and return on 12/23.

ASSISTANT: Do you have any specification?

USER: I need a halt in between my journey. I can afford upto 200.

ASSISTANT: May I know your name?

USER: My name is Larry Roberts.

ASSISTANT: We found a flight on your details with airline Hawaiian, flight number: 1023.

USER: Ok, you can proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your kind response.

ASSISTANT: Thank you.