You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: My name is Donna Lewis, I am looking for a direct flight from LGA to DTW. Can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my itinerary dates are from 09/08 to 09/10.

ASSISTANT: Can you spare a minute? so that I can check with the availability.

USER: Sure, take your time.

ASSISTANT: There is a connecting flight with number 1009 in airline Southwest, the fare is 900. Can I book it?

USER: No, I need direct flight.

ASSISTANT: Sorry, there is a no direct flight on your requested dates. May I know your name?

USER: No problem, thank you so much.

ASSISTANT: Thank you for reaching us.