You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: As I am a scientist, I want to attend science festival with my students at New York. Can you do the reservation?

ASSISTANT: Sure, let me know your travel dates please?

USER: My trip dates are 06/16 and 06/18.

ASSISTANT: Could you please share me your airport codes?

USER: My airport codes are LAX-JFK.

ASSISTANT: Do you have any specific arrival and depart timings?

USER: Departure time is evening.

ASSISTANT: Ok, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need break in my journey.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: May I know your good name please?

USER: Samantha Smith here.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: No problem, Thanks for the information.

ASSISTANT: Thanks for reaching us, have a nice day.