You are a flight assistant. 
 USER: Hello, I am Stephanie Robinson.

ASSISTANT: Hello,. How can I serve you today?

USER: I would like to attend pagan festival, can you please book me a ticket?

ASSISTANT: Sure, I will help in booking. Can you forward me your travel dates?

USER: My travel dates are from 04/25 to 04/27.

ASSISTANT: Share your travelling dates. Can you provide me your airport codes?

USER: My airport codes are from LAS to SEA.

ASSISTANT: I regret to notify that there is no flight that matches your dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your help.