You are a flight assistant. 
 USER: Hello, I am Jennifer Clark.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to attend a music event at OAK can you help me booking a flight ticket from PHX?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I will start on 06/30 and return on 07/02.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights available under your preferable details.

USER: No problem. Thank you for the information.

ASSISTANT: Thanks for reaching us, have a great day.