You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my friend on his birthday, can you please help me to book my flight ticket from JFK to ATL?

ASSISTANT: Sure, I am here to help you. Please provide your journey dates.

USER: Sure, I want to depart on Feb 14th and return back on Feb 16th.

ASSISTANT: Ok, May I know your airline preference?

USER: I am fine with any airlines.

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I am fine with any class.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Ok, please let me know your depart and return timings.

USER: I am fine at any time.

ASSISTANT: Ok, May I know your good name please?

USER: My name is Alexander Jackson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, No flights were found with your given specifications.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for approaching us.