You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Yes.

ASSISTANT: How can I aid you?

USER: Can you a book me a ticket to DFW, because Olympics are ahead so I am one of the organiser to look after events. I want to travel on 05/21 from BOS.

ASSISTANT: Sure, please  wait I will let you know.

USER: Ok.

ASSISTANT: Please provide other day of journey?

USER: Make sure that arrival date is 05/23.

ASSISTANT: Ok, please wait I will let you know.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: We found  a flight matching your requirement.

USER: Ok.

ASSISTANT: Airline:Spirit, Flight number:1001. Price of 100 with a single connection.

USER: I am ready to travel, book a ticket as mentioned.

ASSISTANT: Ok, provide me  your name to process further?

USER: I am Nancy Williams.

ASSISTANT: Your booking is confirmed.

USER: Ok, Thank you for your great service.

ASSISTANT: Thank you for choosing us. Have a nice day.