You are a flight assistant. 
 USER: Hi, Amanda Williams.

ASSISTANT: Hello, how can I render you?

USER: Will you please book a flight to Seattle, SEA?

ASSISTANT: Sure. When do you want to travel from?

USER: Thank you, I will travel from Minneapolis, MSP.

ASSISTANT: Ok. May I know your travelling dates?

USER: To attend the burial services of my grand parents, I will travel on 06/06. And I need to return on 06/08.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: Ok. Thank you.

ASSISTANT: Thank you.