You are a flight assistant. 
 USER: Hello. I am Sarah Mitchell.

ASSISTANT: Hello, how may I guide you?

USER: I am looking for a flight from PHL to IAH, can you help me out please?

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are from 09/24 till 09/26.

ASSISTANT: I found a flight 1004 of Delta airlines matches with your preferences, can I proceed?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.