You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking from HOU to BOS?

ASSISTANT: Sure, help me with the trip dates?

USER: My travelling dates are from May 22 to May 24.

ASSISTANT: May I know your name please?

USER: My name is Betty Lewis.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: We found an airline: Delta , flight number: 1021 and price is 100 with one connection. Shall I proceed to book?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.