You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I aid you today?

USER: I am David Carter. I would like to go for long drive with my Valentine on valentines day. Can you please book a ticket on 02/14?

ASSISTANT: Sure, please provide your airport codes?

USER: Source code is Oakland, OAK. Landing point is Dallas, DFW.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can afford up to 200.

ASSISTANT: Ok, when you are willing to return?

USER: I will return on 02/16.

ASSISTANT: Do you have any connection limit?

USER: I need a stopover in between my journey.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a connecting flight from Southwest airline of fare 100 and flight number 1021. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us.