You are a flight assistant. 
 USER: Hello,. I am Larry Thompson.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket from IAD to DEN to participate in pioneer festivals, can you please help me to book a flight with single connection?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My trip dates are 05/14 to 05/16.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a direct flight from AA airline. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok. Thank you for availing us.

USER: Thanks for your information.