You are a flight assistant. 
 USER: Hello. My name is Mark Martinez.

ASSISTANT: Hello, how can be you guide for today?

USER: Can you please help me in flight ticket booking from AUS to IAD?

ASSISTANT: Yes, I am here to help you about your flight ticket booking. Can you please help me with your planned dates of journey?

USER: Thank you and my trip dates are on 09/06 and back on 09/08.

ASSISTANT: I have found a flight with 1 connected flight having a ticket costs of 100. Would you like to book this flight ticket for your journey with flight which is provided by UA airlines?

USER: Yes, please proceed.

ASSISTANT: I have reserved your flight ticket with flight 1004. Have a safe journey.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: You are welcome, thank you for opting our service.