You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Carolyn Rodriguez. Book a ticket from ATL to DFW, to meet my school friend.

ASSISTANT: Yes, could you share me your travel dates?

USER: Sure, my trip starts on 05/22 and 05/24.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight found on your requested dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us.