You are a flight assistant. 
 USER: Hello. I am Helen Lewis.

ASSISTANT: Hello, how can I amend you today?

USER: Please make a reservation with fare of 1000 to Houston. Could you please help me in booking a ticket from MSP?

ASSISTANT: Sure. May I know the airport that you wish to land?

USER: My landing point is HOU.

ASSISTANT: Could you please share your dates of trip?

USER: Sure, I would like to start on 01/19 and return on 01/21.

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

USER: Yes, I need a break in between the journey.

ASSISTANT: Please, hold on for a while.

USER: Sure.

ASSISTANT: Thank you for being patience. Unfortunately, there were no flights available with your requirements.

USER: Fine, thank you for your information.

ASSISTANT: Thank you for reaching us.