You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Debra Garcia here. Can you help me to find a flight from DEN to MCO?

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are 07/08 and 07/10.

ASSISTANT: Sorry Debra Garcia, there is no flight for you.

USER: That's fine, thanks for your help and information.

ASSISTANT: Welcome Debra Garcia.