You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Nicole Campbell. I want to book a flight ticket from EWR to DEN. Could you help me in booking?

ASSISTANT: Let me know your travelling dates?

USER: My travelling dates are from Feb 01-03.

ASSISTANT: Do you have any specifications?

USER: I need economy class.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 100 having flight number 1010. Shall I book a ticket?

USER: Yes, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.