You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Can you help me to book a economy class flight ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are LAS and PHX.

ASSISTANT: Kindly provide your journey dates.

USER: My travel dates are Oct 19 and Oct 21.

ASSISTANT: Is there any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other preferences?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: I am Linda Brown.

ASSISTANT: Thank you for providing your details, please wait a minute.

USER: Sure.

ASSISTANT: We found a connecting flight in United Airlines with flight number 1002 with economy class. Shall I proceed to book?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.