You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amy Young here.

ASSISTANT: How may I help you today?

USER: I would like to visit Philadelphia to meet my father, please help me in booking a ticket from LGA to PHL.

ASSISTANT: Sure, I can help you with that. Can you please provide your planned travel dates?

USER: Sure, my trip dates are 05/17 and 05/19.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with flight-1016, have a safe journey.

USER: Thank you for your help in booking a ticket.

ASSISTANT: Thank you for choosing us.