You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you at this moment?

USER: I am Katherine Baker. I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates 12/17 and 12/19?

ASSISTANT: Sure, do you need any halt in between the journey?

USER: I need a halt in between the journey.

ASSISTANT: Ok, may I know your corresponding airport codes?

USER: My airport codes are SFO and MCO.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can pay up to 200.

ASSISTANT: Please tell me your class preference?

USER:   I am ok with any class.

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

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1020.

USER: Thank you.

ASSISTANT: Thank you for reaching us.