You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Mark Phillips, can you help me to book a flight IAH to MSP?

ASSISTANT: I am here to help you, may I know your preferable dates to go?

USER: My travelling dates 07/13 and 07/15.

ASSISTANT: I found a flight-1021 on AA airline, is it ok for you?

USER: Proceed with booking.

ASSISTANT: Ok, booking is done with your name Mark Phillips.

USER: Thank you.

ASSISTANT: Welcome Mark Phillips.