You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Charles Lopez.

ASSISTANT: How may I serve you today?

USER: We are planning to go to Las Vegas with my colleagues, to celebrate the music festival and enjoy by listening the music from Oakland. Can you please help me for booking a flight ticket?

ASSISTANT: Please mention your airport codes?

USER: My airport codes are CA-OAK and NV-LAS.

ASSISTANT: Could you please provide your travelling days?

USER: I would like to travel on 07/06 and return on 07/08. Price should be 1000.

ASSISTANT: Please wait for some time, I will revert you.

USER: Sure.

ASSISTANT: We found a flight 1019 in Hawaiian airlines and price is 100 with single connection.

USER: You can proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for making us to support you.