You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book my ticket from PHL to EWR because I have a client meeting in EWR.

ASSISTANT: Sure, on which dates you are planning to fly?

USER: My trip starts on 08/20. Ends with date 08/22.

ASSISTANT: Can you help me with your name?

USER: Myself James Taylor, please search a flight ticket and book my ticket on that name.

ASSISTANT: Thank you for your details.

USER: Ok.

ASSISTANT: But sorry, there is no flight is available with your details.

USER: Ok, not an issue.I'll find another agency to complete my trip.

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

USER: You are welcome.