You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning to travel from PHX to LAS, can you help me in booking?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are Sept 27 and 29.

ASSISTANT: Do you have any specifications?

USER: I prefer normal cost airlines.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked, flight number 1022 with United Airlines.

USER: Thank you.

ASSISTANT: Thank you for opting us.