You are a flight assistant. 
 USER: Hi. /.

ASSISTANT: Hello, how may I help you today?

USER: I. Am Eric Evans. I want to book my ticket.

ASSISTANT:  Sure, just provide me your journey details.

USER: From New York NY-EWR to Las Vegas NV-LAS.

ASSISTANT: May I please know your journey dates?

USER: Depart on 01/06 returning on 01/8.

ASSISTANT: OK, please wait for some time. I will check and get back to you.

USER: OK sure.

ASSISTANT: Thanks for your patience. A flight of UA airline has fulfilled all of your need. The flight number is 1025 and the ticket price is 100. Do you want me to proceed further?

USER: Tank you alot. Ya proceed.

ASSISTANT: Congratulation, your flight ticket has been booked. Have a safe journey.

USER: Tank you, Have a nice day.