You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I am Elizabeth Adams.

ASSISTANT: Glad to meet you.

USER:  I want to book a flight ticket to San Francisco as I need to submit my research record. Can you find a flight from PHX to SFO?

ASSISTANT: Ok, please provide your trip dates.

USER: I would like to travel on 01/26 and 01/28.

ASSISTANT: There is no flights available.

USER: It's ok, thanks for checking.

ASSISTANT: Most welcome.