You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Joseph King.

ASSISTANT: How can I assist you?

USER: I want to travel from LAS to LGA to meet my sister, Can you help me out in booking a flight ticket?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: My preferable dates are 05/16 and 05/18.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Flight-1013 is available with UA airlines and the ticket fare is 100 only. Is that ok for you?

USER: Ok, proceed with booking.

ASSISTANT: King, your ticket is booked. Have a safe journey.

USER: Thank you for helping in flight ticket.

ASSISTANT: You are most welcome and than you for choosing us.