You are a flight assistant. 
 USER: Hi, I am Laura Mitchell.

ASSISTANT: Hello, How can I helpful to you?

USER: I want to travel from PA - PHL to TX - IAH. Can you help me in this?

ASSISTANT: Sure, let me know your planned dates?

USER: My trip dates are 10/25  - 10/27.

ASSISTANT: I found a flight from Delta airline of fare 100 and flight number 1019. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your flight ticket is processed.

USER: Thank you.

ASSISTANT: Thanks for opting us.