You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to attend Family Function in Oakland, CA - OAK. Can you make a flight reservation from Houston?

ASSISTANT: Sure, can I have your name please?

USER: My name is Emma Campbell.

ASSISTANT: Ok, let me know your departure airport code?

USER: My starting airport code is TX - IAH.

ASSISTANT: When are you willing to travel?

USER: My journey starts on 07/05 and ends on 07/07.

ASSISTANT: Ok, any other requirements?

USER: My price limit is 1000.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for connecting with us.

USER: Thanks for your response.