You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis White.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from IAH to DEN?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 01/26 to 01/28.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: The flight 1019 of Frontier airlines is available on your requested dates with a price of 100.

USER: You can confirm it.

ASSISTANT: Dennis, your reservation has been done successfully.

USER: Thank you for helping.

ASSISTANT: You are welcome.