You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from CLT to HOU?

ASSISTANT: Sure, I will help you with that, can I know your trip dates?

USER: I would like to depart on Sept 24th and return on Sept 26th.

ASSISTANT: Is there any connection limit?

USER: I prefer a flight with single stopover.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I know your good name?

USER: I am Carolyn Baker.

ASSISTANT: I found a flight with the price of 100 having one connection and Spirit airlines. shall I proceed to booking?

USER: I had a bad experience with low- cost airline, can you please recheck with a normal- cost airline?

ASSISTANT: American Airlines is available with the price of 100 having one connection. Can I proceed to booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is booked with the flight- 1025.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for opting us.