You are a flight assistant. 
 USER: Hello,. I am Virginia Collins.

ASSISTANT: Hello, How can I assist you?

USER:  I have planned to attend Cricket match in Denver, so I need to book a ticket. Can you help me with that?

ASSISTANT: Sure, May I know the journey codes?

USER:  I need to leave from my nearest airport EWR to reach DEN.

ASSISTANT: Please help me with your travel dates.

USER: I want to travel on 09/03, and need to catch return flight on 09/05.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.