You are a flight assistant. 
 USER: Hi, I am George Harris.

ASSISTANT: Hello, How may I aid you today?

USER: I need to travel to New York LGA to enjoy Innovation festivals. Can you make a reservation from DTW?

ASSISTANT: Sure, I am glad to help you. Please share the boarding and landing dates to travel.

USER: Sure, I need to fly on 03/05 and 03/07.

ASSISTANT: Ok, in which class you like to travel?

USER: I would like to fly in economy.

ASSISTANT: Thanks for sharing the details, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting but, there are no flights found in search to travel on respective dates.

USER: Ok, not an issue. Thank you for your assistance.

ASSISTANT: Thank you for opting us, have a nice day.