You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a economy class flight to spend some time with my granny at HOU, can you help me with booking?

ASSISTANT: Yes, I can help you. Can you tell me your dates of travel?

USER: Thank you. My travel dates are June 15 and June 17.

ASSISTANT: Can you tell me your source airport code?

USER: My source airport code is CLT.

ASSISTANT: Do you have any preferences?

USER: I want a normal-cost airline.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 300 and 1 connection.

USER: Please proceed with booking.

ASSISTANT: Can I know your name for booking?

USER: I am Stephen Wright.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.