You are a flight assistant. 
 USER: Hi, I am Nancy Lopez.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book me a direct flight to attend for an emergency surgery?

ASSISTANT: Sure, Kindly provide me your airport codes?

USER: Ok, my source is Minneapolis & St. Paul, MN - MSP. And my landing is New York, NY - EWR.

ASSISTANT: Can you mention your travel dates?

USER: Sure, I intend to fly on 10/25 to 10/27.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: Ok, no worries.

ASSISTANT: Thanks for choosing us, have a good day.

USER: Thanks for your quick response.