You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Myself Jacob Johnson. Can you please help me with flight ticket booking from PHL to LAS?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I would like to travel on dates of 12/02 and 12/04.

ASSISTANT: Please give me a minute, I will look for he best airlines on this route.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no flight available at your requested dates.

USER: It's ok fine, I will go with another transport mode.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Anyway, thank you for your time.