You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to search a flight from Houston, TX-HOU?

ASSISTANT: Sure, may I know your preferable dates to travel?

USER: The preferable dates are 05/14 to 05/16.

ASSISTANT: Can you please share your destination airport code?

USER: The destination airport code is WA-SEA.

ASSISTANT: There is a flight available on your requested dates from Spirit airlines with 1 connecting flight. Shall I confirm your booking?

USER: Yes, proceed with my booking on the name of Lisa Lewis.

ASSISTANT: Your ticket is booked with flight 1000.

USER: Thank you for your help.

ASSISTANT: Most welcome.