You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: I would like to book a flight ticket from IAH to ORD to meet my friends. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are ecstatic to help you. May I know on what dates would you like to travel?

USER: I want to start my journey on Oct 26 and end my journey on Oct 28.

ASSISTANT: Do you need any lay by in between journey?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Jessica Thomas.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I prefer to travel in a normal cost airline.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: No worries, thank you for the information.

ASSISTANT: Thanks for approaching us, wish you a nice day.