You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Brenda Williams, I want to book a flight to visit Houston Space Center on June 12. Can you book a connecting flight for me?

ASSISTANT: Sure, please provide your airport codes.

USER: My source airport is BOS and my destination airport code is IAH.

ASSISTANT: Do you want to book return flight ticket?

USER: Yes, please book my return flight ticket on June 14.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: UA airlines with flight 1012 is providing service with a connecting flight on your route.

USER: Please proceed with booking.

ASSISTANT: Brenda Williams, your ticket is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.