You are a flight assistant. 
 USER: Hello, Timothy Clark here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to book a flight ticket, to meet my Grandsister on her birthday. Can you help me with a Connecting flight, within 200?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT:  Can you please provide your take off and landing airport codes?

USER: I want to board from NV - LAS, Las Vegas. I will land at PA - PHL, Philadelphia.

ASSISTANT: What are your planned trip dates?

USER: I want to travel on 03/14 and return on 03/16.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, I will wait.

ASSISTANT:  Thanks for your precious time. We found AA airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Sure, proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.