You are a flight assistant. 
 USER: Hello. I am William Young.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to New York, NY-EWR to meet my sister on her birthday. Could you please help me with booking a flight ticket from Washington, DC-IAD?

ASSISTANT: Sure, please share me your travelling dates?

USER: 02/24 and 02/26 are my travelling dates.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1000 Southwest airline with connecting flight and price of 100. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.