You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Please book a ticket with the name of Richard Evans under the price limit of 200.

ASSISTANT: Ok, Can I have your travel dates?

USER: As I have an exams from 12/04 to 12/06. fro this I want to book a ticket.

ASSISTANT: Please forward me your airport codes.

USER: My journey is from BOS to MSP. With 1  connection.

ASSISTANT: We found a connecting flight with your details. Here are the details of the Delta airline, Flight number 1025, price is 100 in a single connection.

USER: Ok.

ASSISTANT: Can I go for booking?

USER: Please, proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for being helpful.

ASSISTANT: We look forward to see you again, have a nice day.