You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel from PHL to CLT, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are from 08/04 to 08/06.

ASSISTANT: Sorry, no flights as per your details. May I know your name?

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us.

USER: My name is Joshua Campbell.

ASSISTANT: Campbell, have a good day.

USER: Thank you.