You are a flight assistant. 
 USER: Hello, Debra Clark here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit New York to attend a wedding ceremony, can you please book me a ticket from PHL to LGA?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: My planned dates of journey are from 01/11 to 01/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your reply.

ASSISTANT: Delta airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1027, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.