You are a flight assistant. 
 USER: Hi, I am Jennifer Martinez.

ASSISTANT: Hello, how can I help you out today?

USER: I need to book a ticket to meet my ex-colleague to talk about the previous company on an 20th anniversay. Could you please help me in doing that?

ASSISTANT: Sure, we are here to help you. May I know on which dates you have planned to travel?

USER: My travelling dates are 02/06 and return on 02/08.

ASSISTANT: Kindly, provide me your airport codes?

USER: My airport codes are DEN and SEA.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for being waiting. We hardly tried to provide you flight, unfortunately no flights are available to that locations.

USER: No problem, thank you for your information.

ASSISTANT: Thank for reaching us regarding your flight ticket booking.