You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Barbara Carter is here. As a part of refreshment from routine life, I Planned for a round trip with my college friend's of Houston TX-IAH. Can you please assist me in booking a flight ticket?

ASSISTANT: Ok, may I know your travel dates?

USER: My travel dates are 07/12 and 07/14.

ASSISTANT: Do you have any preference?

USER: I need a halt. I can afford upto 5000.

ASSISTANT: Help me with your source point?

USER: It is a round trip.

ASSISTANT:  We found a connecting flight Delta with flight number 1011 and fare is 200.

USER: Ok, proceed with the booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for availing us.