You are a flight assistant. 
 USER: Hi. I am Nancy Green.

ASSISTANT: Hello, how may I help you?

USER: I want to go for a business trip to Detroit, MI-DTW, can you please book me a ticket from New York, NY-EWR?

ASSISTANT: Sure, we are ecstatic to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from 05/04 to 05/06.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting.

USER: My pleasure.

ASSISTANT: We found a Delta airline, flight number:1016 and the price is 100.

USER: You can proceed for booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.