You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you help me in booking a flight ticket from BOS to LAX?

ASSISTANT: Sure, on which dates would you like to travel?

USER: i want to travel on 02/29, and return on 03/02.

ASSISTANT: Ok, do you have any class preference?

USER: No.

ASSISTANT: Do you need a lay by in between the journey?

USER: I need a break in my journey.

ASSISTANT: Ok, may I know your good name please?

USER: I am Mary Taylor.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a United Airlines with fare of 100 and a lay by in between the journey.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1026.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching  us.