You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Ashley Thompson here.

ASSISTANT: Ashley, how may I assist you today?

USER: I would like to book a ticket from PHX to PHL, can you please help me with that?

ASSISTANT: Sure, I will help you with that, can you please share your travelling dates?

USER: The travel dates are from 08/28 to 08/30.

ASSISTANT: Sorry for the inconvenience, no flights as per your details.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.