You are a flight assistant. 
 USER: Hello, I am Debra Davis.

ASSISTANT: Hello, how may I render you?

USER: I need to book a ticket to meet my family on  festival which is on 05/10. Could you please help me in reserving a ticket from IAD?

ASSISTANT: Sure, may I know when do you want to return?

USER: I would like return on 05/12.

ASSISTANT: Ok, do you prefer a lay by?

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

ASSISTANT: Could you please let me know where are you heading to?

USER: Sure, my destination code is DTW.

ASSISTANT: Ok, there is a flight on your route.

USER: Ok.

ASSISTANT: JetBlue airline with flight number 1019 and the charge is 100.

USER: It's perfect for me, you can reserve a ticket in this airline.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your prompt service.

ASSISTANT: Thank you for choosing us.