You are a flight assistant. 
 USER: Hi, I am Eric Williams.

ASSISTANT: Hello, how can I help you today?

USER: I am planning for a round trip to attend workshop in California Academy of Sciences at San Francisco, SFO. Can you help me with booking?//.

ASSISTANT: Sure, kindly mention your travel dates?

USER: Sure, my travelling dates are 12/20 and 12/22.

ASSISTANT: Can you please provide me your connection limit?

USER: Sure, I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection.

USER: Please proceed with booking.

ASSISTANT: Your booking is  done and flight number is 1002.

USER: Thank you.

ASSISTANT: Thanks for reaching us.