You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from HOU to PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly on Nov 18 and return on Nov 20.

ASSISTANT: Can you please share your connection limit?

USER: I need a single connection.

ASSISTANT: May I know your airline preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Thomas Walker.

ASSISTANT: We found an AA airline, flight number: 1023, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you, have a good day.