You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Hernandez.

ASSISTANT:  How can I help you?

USER: I am planning to submit my documentation in my office located at Houston TX-HOU, can you please aid me in booking a flight ticket from Philadelphia PA-PHL?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are 06/11 and 06/13.

ASSISTANT: Do you have any preference?

USER: I need a halt.

ASSISTANT: We found a connecting flight Delta with flight number 1011 and fare is 100. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT:  Your booking is  confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for availing us.