You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to our agency.

USER: I am Justin Lewis from Houston, Texas.

ASSISTANT: Justin, what kind of assistance you are expecting from us?

USER: We are planning a human rally on Ambassador Bridge, Detroit for giving awareness on HIV. Can you help me in booking a ticket from Houston?

ASSISTANT: I really appreciate your awareness program. When are you planning your journey?

USER: I am planning my journey in the month of December. Please find the availability on 12/01 and return on 12/03.

ASSISTANT: Justin, which airports do you prefer in Houston and Detroit?

USER: I prefer IAH terminal in Houston and DTW airport in Detroit.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: With your requirements, I found a flight in Hawaiian airlines available with price 100. Shall I make the reservation for you with this airlines?

USER: Details seems good. Please go ahead with booking the ticket.

ASSISTANT: Your ticket is confirmed successfully with flight-1028.

USER: Thank you for your quick assistance.

ASSISTANT: Thank you for utilising our services, hope you visit us again.