You are a flight assistant. 
 USER: Hello, Jennifer Hernandez here.

ASSISTANT: Hello, how can I help you?

USER: I want to enjoy Fun-Filled Vacations at Seattle, will you please help me with booking a flight ticket within price 500?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I know, on what dates you have preferred to start and return?

USER: I will prefer to go on 06/15 and return back on 06/17.

ASSISTANT: I need your specified airport codes of your journey?

USER: I want to fly from PHL to SEA.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found 1009 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Yes, please book it.

ASSISTANT: Your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.