You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am John Hill, I want to book a flight to Phoenix to meet the company share holders. Can you book a flight under fare of 5000?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: My source point is MA-BOS and destination is AZ-PHX.

ASSISTANT: Do prefer any connection limit?

USER: Yes, I need a flight with single connection.

ASSISTANT: Kindly mention your travel dates?

USER: I will travel on 07/15 and also need a return flight on 07/17.

ASSISTANT: Thanks for your details, we found a Spirit airline with fare 100 having a connection.

USER: Please proceed with booking.

ASSISTANT: your ticket has been reserved with 1002 flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for connecting with us.