You are a flight assistant. 
 USER: Hi, I am Emily Smith.

ASSISTANT: Hello, how can I serve you today?

USER: I am looking for an economy class  flight to travel from DTW to MSP, can you help me with booking?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My travelling dates are from 10/31 to 11/02.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 500 for this particular ticket.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 200 and single connection.

USER: Thanks for the information you can go a head with booking.

ASSISTANT: Your booking is done and flight number is 1002.

USER: Thank you.

ASSISTANT: Thanks for reaching us.