You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rebecca Roberts.

ASSISTANT: How may I help you?

USER: Please reserve me a flight ticket from JFK to HOU.

ASSISTANT: Sure. May I know your depart and arrival dates?

USER: My journey dates are from Jan 10 to Jan 12.

ASSISTANT: Do you have any other specifications?

USER: I need a halt in my journey.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: Ok, Not a problem. Thank you.

ASSISTANT: Thank you for approaching us.