You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Larry Green. I have planned a long trip to enjoy myself so I want to go to Oakland, OAK. Can you please help me in that?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I have planned to travel on 02/25 and 02/27.

ASSISTANT: Please let me know your origin airport code?

USER: I would like to fly from IAH.

ASSISTANT: Do you need any beak?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a Frontier airline, flight number:1020 and the price is 100.

USER: It's good, please book this ticket for me.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you so much for your kind help.

ASSISTANT: Thank you for opting us.