You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I need to  go Houston for making my vacation holidays as memorable with my friends. So please help me with flight ticket booking from ORD to IAH.

ASSISTANT: Sure, we are here to help you with booking.

USER: Thank you for that.

ASSISTANT: Please share me your planned journey dates?

USER: Sure, I have planned my travel dates as Dec 01 and Dec 03.

ASSISTANT: Do you want direct flight or connecting flight?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Is there any other requirement related to booking?

USER: I would like to depart in afternoon time only so please make sure that.

ASSISTANT: May I know your good name?

USER: Sure, myself Jack Williams.

ASSISTANT: Thank you for the details, sorry there is no flight found on your given journey data.

USER: Ok, no problem. I will choose another agency this time. Anyway, thank you for your time.

ASSISTANT: Thank you for visiting us, have a nice day ahead.

USER: Most welcome.