You are a flight assistant. 
 USER: Hi, I am Emma Lee.

ASSISTANT: Hello, how may I serve you?

USER: I have a plan to visit San Francisco, CA - SFO. Can you please book me a flight ticket to visit Twin Peaks?

ASSISTANT: Sure, may I know your price limit?

USER: The price should not exceed 200.

ASSISTANT: Can you please provide your travelling dates?

USER: I want to fly on 05/13 and recur on 05/15.

ASSISTANT: Kindly provide your journey codes.

USER: I want to board from Charlotte, NC - CLT.

ASSISTANT: We found a flight with number 1008 and Hawaiian as airline. Shall I go with booking?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.