You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to visit Denver with my family.

ASSISTANT: OK.

USER: Can you do the reservation?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My trip dates are 12/10 and 12/12.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are HOU-DEN.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Spirit with flight number 1004 having a fare 100 with halt. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: On which name shall I reserve your ticket?

USER: Betty Harris here.

ASSISTANT: Your booking has been processed.

USER: Thank you so much.

ASSISTANT: Thank you.