You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. By what way may I aid you now?

USER: I am Carolyn Hernandez, planning to travel to Detroit, DTW to attend for conference meeting at Cobo center.

ASSISTANT: Ok.

USER: So, can you please book a flight ticket from New York, LGA?

ASSISTANT: Sure, I am perky to help you. Help me with your date of journey.

USER: I want to start on 09/27 and return on 09/29.

ASSISTANT: Are you having any specifications?

USER: Yes, I need a lay by in between my journey. My price limit is 5000.

ASSISTANT: Thanks for your details. You have no flights that matches with your information.

USER: It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for picking us.