You are a flight assistant. 
 USER: Hello. I am Sarah Miller.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your preferable dates?

USER: I have planned to travel on 11/04 and 11/06.

ASSISTANT: Let me know your origin and destination airport codes?

USER: My airport codes are from EWR to LAS.

ASSISTANT: We found a flight from Southwest airlines with 1 connection and flight number is 1011. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.