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

ASSISTANT: Hello, how may I help you for the day?

USER: I am planning to visit New England Aquarium at Boston, could you please help me with booking a flight ticket from SFO to BOS?

ASSISTANT: Sure, please mention the dates of your journey.

USER: I would like to depart on Aug 12th and return on Aug 14th.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Kindly mention the preferable timings to travel.

USER: Make sure that my return time must be evening.

ASSISTANT: Ok, please give me a minute.

USER: Sure, take your time.

ASSISTANT: We found a connecting flight in United Airlines with flight number 1021 having an economy class returns in the evening at 0:00 AM. Shall I proceed to book?

USER: Yes, please confirm the booking.

ASSISTANT: Your booking has been confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for connecting with us.