You are a flight assistant. 
 USER: Hello. I am Kevin Carter.

ASSISTANT: Hello, how can I render you today?

USER: I have planned to attend my grand father's 60th anniversary at Washington, DC - IAD. Can you please aid me with booking?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT:   Can you please provide your take off airport code?

USER: My boarding point is Seattle, WA - SEA.

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

USER: I prefer a stopover in between.

ASSISTANT: May I know when you have planned to travel?

USER: I planned to depart on 05/17.

ASSISTANT: When will you catch your return flight?

USER: I have to return on 05/19 to attend my husband's memorial service.

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

USER: Sure.

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

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1026.

USER: Thank you.

ASSISTANT: Thank you for choosing us.