You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Robinson here.

ASSISTANT: How may I assist you?

USER: In the month of February, I want to travel from HOU to PHL. please book my flight ticket.

ASSISTANT: Ok, please share your travelling dates?

USER: My travelling dates are from 02/21 to 02/23.

ASSISTANT: Ok, please hold on for a moment, let me check.

USER: Sure, take your time.

ASSISTANT: I found a flight 1001 of Delta airlines matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.