You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicole Baker.

ASSISTANT: How can I guide you, Nicole?

USER: It's a round trip, my airport code is PHL. Can you help me in booking?

ASSISTANT: Sure, please share your price limit.

USER: I can spend up to 5000.

ASSISTANT: May I know your planning dates?

USER: My travelling dates are 03/09 to 03/11.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Luckily, I found UA airline is available with fare of 100 and flight number is 1028. Shall I proceed?

USER: You can book it.

ASSISTANT: Nicole Baker, your booking is successfully confirmed, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.