You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Sharon Campbell. Please book a flight ticket from New York, EWR to Denver, DEN.

ASSISTANT: Sure, please share me your travelling dates?

USER: Sure, My travelling dates are from 03/15 to 03/17.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight under the range of 5000.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1012 Spirit airline with single connection and price of 200. Shall I proceed with booking?

USER: Ok, Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.