You are a flight assistant. 
 USER: Hello, I am Emma Williams.

ASSISTANT: Hello, how may I be of your help?

USER: I would like to buy new machines for my company in Denver, DEN. Can you please make a reservation from Detroit, DTW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates on 04/30 and 05/02.

ASSISTANT: Please provide your airfare?

USER: I can spend 5000 for airfare.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: The flight details are, flight number 1014 from Spirit airline of price 100.

USER: Ok, please proceed.

ASSISTANT: Your flight booking is processed with a lay by.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.