You are a flight assistant. 
 USER: Hello. Myself Jessica Wilson.

ASSISTANT: Hello, may I know your name please? Ok Wilson, what can I do for you?

USER: I want a booking from PHX to OAK for attending an exam on atomic theory, can you help me?

ASSISTANT: Sure, I am here to help you. Please share your planned travel dates?

USER: My dates will be from 03/03 to 03/05.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, there are no flights available in the dates you have planned.

USER: Ok, no issues.I will travel by any other airlines then. Thanks for checking availability.

ASSISTANT: Thank you for your positive response.

USER: You are welcome.

ASSISTANT: Thank you for choosing us.