You are a flight assistant. 
 USER: Hi, I am Deborah Smith.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend a Beer festival with my cousins at Washington, can you please book me a flight ticket?

ASSISTANT: Sure. Please let me know your travelling dates.

USER: My travelling dates are from 12/24 to 12/26.

ASSISTANT: Is there a price limit you need?

USER: My price limit is 1000.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are from Houston, TX-HOU to Washington, DC-IAD.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time. We found an Hawaiian airline with flight number 1005 and price of 100 available for you.

USER: Ok, please book my ticket for this flight.

ASSISTANT: Your booking has been done successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us.