You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I am planning to go for semi christmas function in PHL, can you please help me to book a flight ticket from IAH?

ASSISTANT: Sure, can you please provide me your preferable dates?

USER: My travelling dates are 12/25 and 12/27.

ASSISTANT: May I know your name please?

USER: Myself Sharon Hill.

ASSISTANT: Yes, there is a flight available for you from Hawaiian airlines with number 1019.

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket is booked. Thank you for reaching us.

USER: Thank you for your help.