You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to book my ticket from LGA to PHL. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travel dates are from July 25 to July 27.

ASSISTANT: Do you have any specifications about flight connections?

USER: No, thank's for asking.

ASSISTANT: Do you have any preferences about class?

USER: I need a direct flight in my journey.

ASSISTANT: Please mention your name.

USER: Sure, myself Betty Wilson.

ASSISTANT: There are no flights found under your preferable details.

USER: Not an issue with this one, anyway thank you for the information.

ASSISTANT: Welcome, have a great day.