You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Hernandez.

ASSISTANT: How can I assist you?

USER: I am planning to book a ticket from JFK to PHL. Can you please help me out?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I would like to travel on 05/21 and return back on 05/23.

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connection.

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.