You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Myself Rachel Nelson. Can you please help me in booking a flight ticket from IAH to ORD locations?

ASSISTANT: Sure, can I know your preferable dates?

USER: my travelling dates are from 09/23 and 09/25.

ASSISTANT: I found a flight 1011 of Frontier airlines matches with your preferences, can I proceed?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you, have a good day.