You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: Anthony King this side. I want to book a flight from OAK to SFO, can you please help me?

ASSISTANT: Sure, I will help you. Can you provide your preferable dates of journey?

USER: My planned travel dates are 06/25 and 06/27.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I book it?

USER: Yes, please confirm it.

ASSISTANT: Your booking is done with flight number 1004. Happy journey.

USER: Thank you for your support.

ASSISTANT: You are welcome, have a nice day.