You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: Rachel Carter here.

ASSISTANT: Can I know your preferable dates?

USER: Can you book me a ticket from IAH to SEA? I would like to travel on 10/27 and 10/29.

ASSISTANT: I found a flight 1021 of Frontier airlines which matches with your preferences, can I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked. Thank you, have a good day.

USER: Thank you for the help.