You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: My friend has invited to attend his house warming function at Philadelphia. Can you help me in booking a ticket?

ASSISTANT: Can you please share your nearest airport codes?

USER: My planned airport codes are LGA and PHL.

ASSISTANT: Please help me with your journey dates.

USER: My journey dates are 03/13 and 03/15.

ASSISTANT: Please wait a minute.

USER: Ok, take your time.

ASSISTANT: Thank you for your patience, I found a flight for you in Delta airlines with price 200. Can I proceed?

USER: Ok, please reserve the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you for your assistance.

ASSISTANT: May I know your name please to complete the process?

USER: Sure, my name is Deborah Scott.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.