You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Donald Walker, I want to book a flight ticket to attend an interview at OAK, can you help me with booking a connecting flight?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are June 24 and June 26.

ASSISTANT: Please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Please share your origin airport code.

USER: My origin airport code is LGA.

ASSISTANT: Is there any specifications?

USER: My return time should be evening.

ASSISTANT: We found an Delta airlines with single connection and your return time in the evening. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with 1013 flight number.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.