You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Donald Green.

ASSISTANT: How can I provide assistance to you today?

USER: I want to book a flight ticket on 07/31 and return on 08/02, so can you help me with booking please?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Yes, my airport codes are NY-LGA and WA-SEA.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.