You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jessica Davis here.

ASSISTANT: How can I help you?

USER: Can you find a flight for me from PHX to OAK, to meet my brother on his birthday?

ASSISTANT: Your travelling dates please?

USER: Fine, my planned dates are from May 01 to 03.

ASSISTANT: I am sorry no flight found on your route.

USER: It's ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for choosing us.