You are a flight assistant. 
 USER: Hello. I am Jessica Davis.

ASSISTANT: Hello, how may I serve you today?

USER: I want to attend my friends marriage at San Francisco, SFO, can you please help me to book a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I have planned to travel on 06/16 and 06/18.

ASSISTANT: Please let me know your origin airport code?

USER: My origin airport code is LAS.

ASSISTANT: Do you need any other specifications?

USER: I need a halt.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found an UA airline of flight number 1007 with a price limit of 100.

USER: Ok, please book this ticket.

ASSISTANT: Shall I proceed for booking with one connecting flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.