You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to find a flight from St.Paul to Huston?

ASSISTANT: Sure, can I know your name?

USER: My name is Scott Taylor.

ASSISTANT: On which dates you have planned to travel?

USER: I will travel on Aug 25 and return on Aug 27.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer a single connection.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your destination airport code?

USER: My destination airport is IAH.

ASSISTANT: We found a Spirit airline with flight number 1000 and fare 100 with class is economy. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.