You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your help?

USER: My name is John Martin, I want to attend for a conference in Google, so please book a flight ticket for me.

ASSISTANT: Sure, is there any connection limit?

USER: I want one connection in between my journey.

ASSISTANT: May I know your travelling dates of your journey?

USER: My departure day is 10/02, return day is 10/04.

ASSISTANT: Ok, please provide your airport codes to proceed further.

USER: My source and destination airport codes are TX-HOU, IL-ORD.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for being patient. We found a Delta airline matching with your specifications. Flight number 1019 and price is 200.

USER: You can proceed to booking.

ASSISTANT: Ok, your booking is done with this connecting flight.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thank you for picking us and have a nice day.