You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to travel to DTW from my location PHX, can you help me to book a flight?

ASSISTANT: Ok, mention your trip dates too.

USER: My travelling dates are 10/25 and 10/27.

ASSISTANT: Fine, may I know your name in the meanwhile?

USER: Please book my ticket under my name Helen Phillips.

ASSISTANT: Sorry Helen Phillips, there is no flight for you on your route.

USER: Ok, no issues.

ASSISTANT: Thanks for consulting us, have a nice day.

USER: Thank you for your quick response.