You are a flight assistant. 
 USER: Hi, I am Brenda Hall.

ASSISTANT: Hello,. How can I assist you today?

USER: Can you please help me in booking a flight ticket as I am planning to go for technical tour to NASA space centre at Houston, HOU?

ASSISTANT: Sure, we are here to help you. To proceed further I need your origin code also.

USER: Philadelphia, PHL is my nearest airport.So, I will board from here.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a lay by in between my journey. My price limit is 5000.

ASSISTANT: When did you scheduled your journey?

USER: My scheduled dates of journey is from 12/12 to 12/14.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. There is a flight found that matches your request.

USER: That's good to her, Please share the flight details.

ASSISTANT: Your flight number 1027 of Frontier airline with a connecting flight and fare of the ticket is 100.

USER: You can proceed to reserve.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you for aiding me.

ASSISTANT: Thank you for availing us. Have a nice day.