You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Frank Hernandez here.

ASSISTANT: How may I assist you?

USER: I would like to book a ticket from LAS to PHX, can you please help me with that?

ASSISTANT: Please may I know your desired travel dates?

USER: The travel dates are from 04/21 to 04/23.

ASSISTANT: Please wait a while.

USER: Ok sure.

ASSISTANT: Flight number 1007 with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed booking my ticket.

ASSISTANT: Your ticket is booked, flight number 1007 with Delta airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.