You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to meet my friend on his birthday, can you please help me to book the flight ticket from PHL to SEA?

ASSISTANT: Yes, I can help you. Could you share me your travelling dates?

USER: I have to depart on 11/09 and return on 11/11.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket for you with a price of 100 and 1 connection. Can I proceed to booking?

USER: That's fine for me, please book the ticket.

ASSISTANT: Ok, your ticket is booked with Frontier airlines.

USER: Thank you very much.

ASSISTANT: Can I know your name?

USER: My name is Christopher Adams.

ASSISTANT: Thank you for consulting us.

USER: You are welcome.