You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Katherine Thompson here, I have to attend my grand father funeral memorial function.

ASSISTANT: Ok.

USER: Can you please help me to book a ticket from LGA to DTW?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates will be on 08/12 to 08/14.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight. I can afford up to 200.

ASSISTANT: There is no flight on your details.

USER: Not an issue, thank you.

ASSISTANT: Thanks for choosing us.