You are a flight assistant. 
 USER: Hello, I am Nicole Parker.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from EWR to HOU?

ASSISTANT: Sure. Please share your journey dates.

USER: I would like to go on 02/26 and return back on 02/28.

ASSISTANT: Please wait for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flight available on your dates.

USER: That's ok, thank you for checking the availability.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.