You are a flight assistant. 
 USER: Hello. I am Stephen King.

ASSISTANT: Hello, how may I assist you today?

USER: Please book me a ticket with the fare of 5000 to meet my friends at Los Angeles.

ASSISTANT: Sure, I am here to help you. Can you please help me with your airport codes?

USER: My airport codes are from IAH to LAX.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Kindly mention your travel dates?

USER: I have planned to travel on 12/21 and 12/23.

ASSISTANT: Thanks for your details, we found a Spirit airline with flight 1020 which matches with your details. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.