You are a flight assistant. 
 USER: Hello. I am Kenneth Thompson.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Museum of Fine Arts at Houston, could you please help me with booking a flight ticket?

ASSISTANT: Can I know your travel dates?

USER: I would like to take off on 05/19 and return on 05/21.

ASSISTANT: Can I know your airport codes?

USER: My nearest source airport code is BOS and destination airport code is IAH.

ASSISTANT: The flight 1020 of Delta airlines is available on your requested dates with a price of 200. Shall I proceed?

USER: Please proceed with the booking if the connection limit is 1.

ASSISTANT: Kenneth, your ticket is booked successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.