You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Paul Rodriguez. Can you help me to book a flight from IAD to MSP?

ASSISTANT: Ok, I will help you with that. May I know the travel dates to check for the flights?

USER: My travelling dates are 12/12 and 12/14.

ASSISTANT: I am sorry to say there are no flights available at that location you wanted.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for connecting with our agency.