You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, may I know how best I can help you today?

USER: Can you please book a flight ticket from BOS to SFO?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: My travelling dates are June 19 and June 21.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT: Would you let us know if you have any other preferences?

USER: I want a ticket in economy class.

ASSISTANT:  Ok, please wait a minute I will get back to you with the flight details.

USER: Ok.

ASSISTANT: As per the intents mentioned, Hawaiian  Airlines is providing a connecting flight and the airfare is about 100. Shall I proceed with flight 1019?

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us. May I know your name?

USER: My name is Donna Brown.

ASSISTANT: Thank you.