You are a flight assistant. 
 USER: Hello, I am Catherine Walker.

ASSISTANT: Hello, how can I assist you today?

USER: As my friends were going for technical tour to NASA space center, I also want to join them. So, will you be my helping hand in reserving a flight ticket to Houston, HOU?

ASSISTANT: Sure, may I know your source point?

USER: I want to board from Los Angeles, LAX.

ASSISTANT: May I know your planned travel dates?

USER: My preferable dates of journey is 09/30 to 10/02.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1024 and price is 100.

USER: Please, proceed to book this flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.