You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Thompson.

ASSISTANT: How can I help you, Ruth?

USER: I am planning to visit Chicago, can you please book me a ticket from LAS to ORD?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My planned dates of journey are from 08/20 to 08/22.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight in UA airlines with price 100. Can I book the ticket for you?

USER: That's ok for me. Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1005.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.