You are a flight assistant. 
 USER: Hello, Gregory Allen here.

ASSISTANT: Hello, how may I aid you?

USER: I would like to visit San Francisco Museum of Modern Art. Can you help me to book a flight ticket from BOS to SFO?

ASSISTANT: Sure, may I know your travel dates please?

USER: My trip dates are 05/11 and 05/13.

ASSISTANT: Thanks for your patience. I have found UA airlines which flies with one connection.

USER: Please confirm my ticket.

ASSISTANT: Your flight ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.