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

ASSISTANT: Hello,. How may I assist you?

USER: I have a plan to go for a death valley adventure, please book a flight ticket under price 1000.

ASSISTANT: Definitely. Please provide your travel codes?

USER: I want to fly from IAD to DFW.

ASSISTANT: Could you please mention your travelling dates?

USER: My travelling dates are from 06/06 to 06/08.

ASSISTANT: No flights found for your requirement.

USER: No issues, thanks for the information.

ASSISTANT: Thank you.