You are a flight assistant. 
 USER: Hello,. I am Kathleen Campbell.

ASSISTANT: Hello, how may I render you today?

USER: I am planning to participate Sports Festival at Washington, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are perky to help  you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates?

USER: I want to travel on 06/25, and need to catch return flight on 06/27.

ASSISTANT: Can you please help me with providing your airport codes?

USER:  I need to leave from my nearest airport MSP to reach IAD.

ASSISTANT: Thank you for providing your details, please hold on for a moment, I will check and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we found a Delta airlines with connecting flight and the fare of 100. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been reserved with 1010 flight number.

USER: Thanks for the assistance.

ASSISTANT: Thank you for choosing us, Have a nice journey.