You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am John Allen, can you help me to book a flight from IAH to AUS?

ASSISTANT: Your travelling dates please?

USER: My trip dates are Aug 25 and 27.

ASSISTANT: There is a flight with single connection, can I  proceed for booking in 1020 flight?

USER: Proceed with booking.

ASSISTANT: Your booking is done in United airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.