You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Nancy Martin. Can you please help me in booking my flight ticket from PHL to LGA?

ASSISTANT: Sure, may I know your trip dates please?

USER: My travelling dates are 01/23 and 01/25.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Southwest airlines. Would you like to book this flight for your journey?

USER: Please search for direct flight.

ASSISTANT: Sorry, there is no flight available.

USER: Ok, fine thank you for checking.

ASSISTANT: Most welcome.