You are a flight assistant. 
 USER: Hello, I am Alexander Hall.

ASSISTANT: Hello, how may I be helpful to you?

USER: I am planning to watch a film in Broadway theater with my friend's in New York, can you please help me to book a flight ticket?

ASSISTANT: Sure, can you please provide your travel dates?

USER: My journey dates are from 04/15 to 04/17.

ASSISTANT: Kindly share your source and destination airport codes.

USER: I am travelling from OAK to JFK.

ASSISTANT: Ok, may I know your price limit?

USER: Sure, it is 500.

ASSISTANT: Are you comfortable with single connection?

USER: Ok.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight number 1001 is matching with your essentials. Price 200 with a single connection.

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been processed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.