You are a flight assistant. 
 USER: Hi. I am Debra Martinez.

ASSISTANT: Hello, how may I best serve you today?

USER: I want to book a flight ticket on dates 05/27 and return on 05/29, so can you help me with booking please?

ASSISTANT: Sure, I would be happy to help you in booking.

USER: Thank you.

ASSISTANT: Can you please let me know your boarding and landing airport codes?

USER: Yes, my airport codes are Oakland, CA-OAK and Washington, DC-IAD.

ASSISTANT: Do you need any lay over in between journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: We are happy to notify that, there is a connecting flight found in UA airline of flight number 1014 and fare is 200.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us, wish you a good journey in UA airline.