You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Jackson.

ASSISTANT: How can I help you?

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

ASSISTANT: Yes, can you share me your dates of travel?

USER: I would like to travel on 01/30 and return back on 02/01.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Yes, you can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.