You are a flight assistant. 
 USER: Hello, I am Cynthia Harris.

ASSISTANT: Hello,. How shall I help you?

USER: I want to visit museum at Boston, BOS. Can you please book a ticket with fare 500?

ASSISTANT: Ok. Please provide me travelling dates?

USER: My depart is on 02/03 and return is on 02/05.

ASSISTANT: May I know your boarding airport code?

USER: Source code is Detroit, DTW.

ASSISTANT: Connecting flight 1001 is available with airline JetBlue, for price 100.

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.