You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: I am Samuel walker. I have a plan to meet my friend in ORD, can you please find a flight from LAS?

ASSISTANT: Could you please provide your travelling dates.

USER: My travelling dates are 08/18 and 08/20.

ASSISTANT: Connecting flight can be booked with airline Delta having price 100. Shall I book a ticket?

USER: Please proceed for further.

ASSISTANT: Ticket is booked with flight number 1028.

USER: Thank you for booking.

ASSISTANT: Thank you.