You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I support you today?

USER: On my name Christine Baker reserve me a flight to Washington, DCA to attend memorial services of my grand father.

ASSISTANT: Ok. I am here to help you.

USER: Thank you.

ASSISTANT: Could you please share your journey dates?

USER: I will fly on 07/02 and recur on 07/04.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Let me know your source code.

USER: My source airport is Denver, DEN.

ASSISTANT: Please, wait a minute.

USER: Sure.

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

USER: Ok, I will choose other airline. Thank you for quick response.

ASSISTANT: Thank you for choosing us.