You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: There is an occasion that we are celebrating in IAD, please book a flight ticket for me from MSP.

ASSISTANT: Sure, I will definitely help you about it. Can you please help me with your dates of journey?

USER: Ok, the moving date are on 05/23 and 05/25.

ASSISTANT: Please, provide your name for further proceedings.

USER: My name is Michael Garcia.

ASSISTANT: Sorry Garcia, there is no route to your destination on your planned dates of journey.

USER: Ok, thank you for your information.

ASSISTANT: My pleasure, thank you for opting our service.