You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Carol Campbell here. I want to reserve my ticket from HOU to ORD. Could you please help me with booking?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: Ok, my journey dates are from 08/11 to 0/13.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait.

ASSISTANT: Carol Campbell, there are no flight services available on this route on your provided dates.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for utilising our service.