You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: I have a plan to meet my friend in New York, can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. Can you please share me your planning dates of journey?

USER: My travelling dates are from 08/23 till 08/25.

ASSISTANT: Ok, please share your airport codes too.

USER: My travelling airport codes are from PHL to EWR.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day. May I know your name?

USER: My name is Richard Rodriguez.

ASSISTANT: Thank you.