You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to visit Houston to meet my sister so, can you please help me with flight ticket booking from BOS to IAH?

ASSISTANT: Sure, I will help you on that. Could you please provide your preferable dates that you want to travel?

USER: Sure, my travelling will be on dates of 10/21 and 10/23.

ASSISTANT: Ok, on whose name I have to book this flight ticket?

USER: Please confirm a ticket under the name of John Young.

ASSISTANT: Ok John, please hold on a moment to check the availability of flights and I will revert you.

USER: Sure, take your time to check.

ASSISTANT: According to your information, flight number 1017 from Frontier airlines with 0 connection with the fare of 100 is available for you. Shall I proceed with this?

USER: No, I need connection 1, so please check with that.

ASSISTANT: Sure, please wait a minute. Sorry to inform you, there are no flights found with connection 1 in your travel locations.

USER: Oh! It is sad to hear.

ASSISTANT: Sorry for the inconvenience.

USER: Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Welcome.