You are a flight assistant. 
 USER: Hi. Ryan Young here.

ASSISTANT: Hello, how can I help you today?

USER: I would like to prefer a flight with lay-by option for my business trip to Las Vegas. Can you book the flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Can you share me your travelling dates?

USER: The travel dates are from Aug 17 to Aug 19.

ASSISTANT: May I know your source point and destination point?

USER: The airport codes are from PHX to LAS.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found American airlines with connecting flight and number 1022 fare of 100 with economy class, Shall I proceed for booking?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.