You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your service?

USER: I am Stephanie Carter, I want to book a flight ticket to Houston in economy class. Can you please aid me for booking with a fare of 200?

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

USER: Thank you for considering my request.

ASSISTANT: Please let me know if you need a connecting flight in between your journey routes.

USER: Yes, I need a halt in between my journey.

ASSISTANT: Kindly share your boarding and landing airport codes.

USER: Sure, I am boarding from LGA to reach HOU.

ASSISTANT: Could you please provide me your planned travelling dates to proceed further?

USER: Sure, my planned journey dates are on September 9 to 11.

ASSISTANT: May I know your airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Ok. Please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you currently no flights are available in between your journey routes.

USER: That's Ok, thanks for your help.

ASSISTANT: It's pleasure to help you. Thank you.