You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sandra Edwards.

ASSISTANT: How may I aid you today?

USER: Can you help me to book a flight from PHX to SEA?

ASSISTANT: Sandra Edwards, may I know your trip dates?

USER: My trip dates are 03/17 and 03/19.

ASSISTANT: Sorry Sandra Edwards, there is no flight in your route.

USER: Ok, n isasues. No issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you.