You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Lopez.

ASSISTANT: How can I help you?

USER: I am planning to attend  a live music concert in PHL, can you please find a flight from OAK?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: my travelling dates are 08/18 and 08/20.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: Here, I fond a flight for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1020 and airline is Frontier.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.

USER: Welcome.