You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please help me out in booking the ticket from DEN to ORD.

ASSISTANT: Ok, on which dates you are willing to travel?

USER: My trip dates will be 02/29 to 03/02.

ASSISTANT: Please help me with your name in the meanwhile.

USER: Jack Roberts is my name.

ASSISTANT: Ok Jack Roberts, we have a flight-1020 on spirit airlines. Shall I book it?

USER: Please book further.

ASSISTANT: Ok, ticket has been done with your criteria.

USER: Thank you for your help.

ASSISTANT: Thanks for consulting us.