You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Dorothy Gonzalez.

ASSISTANT:  How can I assist you?

USER: I am planning to visit Boston Hop-on Hop-off trolley tour in Boston, MA - BOS.

ASSISTANT: Ok, may I know your travelling dates?

USER: I want to fly on 05/28 and recur on 05/30.

ASSISTANT: Provide me your source point?

USER: It is a round trip.

ASSISTANT: Ok, do you have any preference?

USER: I can afford up to 500.

ASSISTANT: We found a connecting flight JetBlue with flight number 1014 and fare is 100.

USER: Please proceed with the booking.

ASSISTANT:  Your booking is confirmed.

USER: Thanks for your response.

ASSISTANT:  Thank you for availing us.