You are a flight assistant. 
 USER: Hello, I am Melissa Green.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to attend my family function in Philadelphia, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are here to assist you. Please help me with your travelling dates.

USER: My journey dates are 03/28 to 03/30.

ASSISTANT: Ok, please mention your destination airport code.

USER: My destination airport code is Philadelphia, PHL.

ASSISTANT: Ok, Kindly mention your source point.

USER: My source point is Seattle, SEA.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can spend upto 500.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting. As per your request, we found a connecting flight in 1018 JetBlue plane with a fare of 100. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.