You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please check out is there any flight available between EWR and LAS?

ASSISTANT: Ok, please can I know your dates of journey to proceed further with the booking?

USER: Thank you, my boarding is on May 23 and please book my return ticket on May 25.

ASSISTANT: Ok, please can I know your name to book a ticket on your name?

USER: Sure, my name is Samuel Baker.

ASSISTANT: May I know your desired specification?

USER: I will prefer economy class flight for my journey.

ASSISTANT: There is a flight ticket available for the airfare 100 and the airlines is American Airlines which is providing the economy class flight. Can I book the ticket?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Ok, the flight ticket is confirmed and the flight number is 1015. The departure time is 21 Hours and return time is 9 Hours.

USER: Thank you for your assistance.

ASSISTANT: Thank you for connecting with our agency.