You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I provide service to you?

USER: I am planning to visit Chicago with my family. Can you do the reservation?

ASSISTANT: Sure, do you need any stop over in between your journey?

USER: I need break in my journey.

ASSISTANT: Let me know your travel dates please?

USER: My journey dates are 11/13 and 11/15.

ASSISTANT: May I know your name please?

USER: David Jones here.

ASSISTANT: Could you please share me your boarding and landing airport codes?

USER: My airport codes are LGA-ORD.

ASSISTANT: Ok, wait a moment. I will revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience, there is a connecting flight from an UA airline with flight number 1018 of price 100. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.