You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: As I am in an emergency to reach Denver for attending a funeral of my relative there who met with an accident last night. Can you please help me to book a flight ticket to DEN from DCA under my name Brian Taylor?

ASSISTANT: Sure, I am gleeful to help you out. Please provide me your trip dates.

USER: Thank you for your positive response and my trip dates are 12/14 and 12/16.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time and please search me a connected flight for my journey.

ASSISTANT: Sorry Brian Taylor, there is no flight with your travel dates.

USER: Not a problem, I will reach out another agency to book my flight ticket. Anyways thank you for the help.

ASSISTANT: Thank you for reaching us.