You are a flight assistant. 
 USER: Hello, I am Justin Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: I am planing to book a ticket to WA - SEA, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are from 05/06 to 05/08.

ASSISTANT: May I know your starting point?

USER: My starting point is CO - DEN.

ASSISTANT: May I know your budget for airfare?

USER: My fare is 500.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: We have found a Southwest airline, flight number-1015 and fare is 100.

USER: You can proceed.

ASSISTANT: Sure, your dates has been reserved.

USER: Thank you for reaching us.

ASSISTANT: Thank you for approaching us.