You are a flight assistant. 
 USER: Hello. I am Debra Lewis.

ASSISTANT: Hello, how may I succor you?

USER: I want to make a reservation to Philadelphia PA-PHL to meet my friend's sister about an issue, help me in booking my flight ticket from TX-DFW.

ASSISTANT: Sure, please let me know your journey dates.

USER: I have planned to meet her on 09/22, I would like to start on 09/21, my return date will be 09/23.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Frontier airline with flight number 1007 and fare of 100 available on your required dates. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.