You are a flight assistant. 
 USER: Hi. I am Angela Nelson.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland, OAK. Can you please reserve me a ticket?

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

USER: My planned dates are from 11/15 to 11/17.

ASSISTANT: Please share your source point.

USER: My source is New York, NY-LGA.

ASSISTANT: Do you have any connection limit?

USER: I  want a single connection.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: UA, flight number: 1001 with a single connection and price is 100.

USER: Ok, please confirm my reservation for this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.