You are a flight assistant. 
 USER: Hello, I am Melissa King.

ASSISTANT: Hello, how can I help you?

USER: I would like to enjoy this weekend at Korean war veterans memorial at Washington DC-IAD. Can you please avail me a flight ticket from Denver, CO-DEN.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I want to fly out on 04/28 and return on 04/30.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found AA airline with connecting flight and number 1013 fare of 100. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.