You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: I would like to book my ticket from PHL to New York, LGA. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: I need a lay by in between my journey.

ASSISTANT: Ok, can you please share your travelling dates?

USER: My planned travel dates are from Oct 23 to Oct 25.

ASSISTANT: May I know your good name please?

USER: Sure, myself Daniel Williams.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: There are no flights found on your requested dates.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.