You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book a flight ticket for me from LGA to PHL?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My trip dates are 11/22 and 11/24.

ASSISTANT: Do you have any specifications?

USER: I prefer direct flights. I want an economy class seat.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Direct flight is provided by Southwest airlines and ticket costs you 100 in economy class.

USER: Please proceed.

ASSISTANT: May I know your name?

USER: Deborah Robinson here.

ASSISTANT: Your ticket is reserved. Flight departs at 18:00 PM and arrives 22:00 PM.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us Deborah Robinson.