You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit New York and my depart time would be in the evening. So can you book a flight ticket for me?

ASSISTANT: Sure, may I know your airport codes?

USER: The airport codes are from OAK to LGA.

ASSISTANT: Can you please let me know your dates of travel?

USER: My travel dates are from Jan 18 to Jan 20.

ASSISTANT: Do you have any specifications?

USER: I need a economy class flight. The maximum connection is one.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline AA with flight 1011 having a fare 100 with single connection. Shall I proceed with booking?

USER: You can book the flight ticket.

ASSISTANT: May I know your name?

USER: I am Catherine Lewis.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.