You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Betty Lee. I have to attend a farewell at New York, can you please help me in booking a flight ticket?

ASSISTANT: May I know your travel dates?

USER: Sure, my journey dates are 04/19 and 04/21.

ASSISTANT: Please help me with your airport codes.

USER: My source is HOU and destination is LGA.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 with flight number 1027. Shall I proceed with this flight?

USER: That's perfectly matching with my requirements, please book 1 ticket for me.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Most welcome.