You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Myself Melissa Nelson, I am planning this weekend to travel Vegas. Can you please help me in reserving the ticket from MSP to LAS?

ASSISTANT: Can you share your travelling dates?

USER: I am willing to take-off Oct 19 and again I will retrieve on Oct 21.

ASSISTANT: Please, wait a while I will check the update.

USER: Sure.

ASSISTANT: Sorry, no flights found under your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.