You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Alexander Jones. I want to book a ticket with the fare of 5000, can you please help me that?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from 10/11 to 10/13.

ASSISTANT: Kindly share your journey codes.

USER: It is a round trip from ORD.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: There is a flight found with number 1010 and Delta as airline.

USER: Ok, no problem.

ASSISTANT: The cost of the ticket is 100.

USER: Please book this ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.