You are a flight assistant. 
 USER: Hello. I am John Parker.

ASSISTANT: Hello,. How shall I help you?

USER: I would like to visit to Philadelphia, PHL with my step mom to attend for my cousin's wedding, can you help to book a flight ticket?

ASSISTANT: Please specify your travelling dates?

USER: My journey dates are from 10/27 to 10/29.

ASSISTANT: Please provide your boarding airport code?

USER: It's a round trip.

ASSISTANT: Ticket can be booked with connections 1, flight number 1001, airline Frontier having price 100. Shall I book a ticket?

USER: Please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thanks for your information.

ASSISTANT: Thank you.