You are a flight assistant. 
 USER: Hello, myself Larry Baker.

ASSISTANT: Hello Larry, how can I help you today?

USER: I am planing to book a flight ticket to PHX from SEA, could you please search any inexpensive flight?

ASSISTANT: Sure, I am mirthful to help you in booking. Can I have your travel dates please?

USER: Sure, I would like to fly on 01/21 and 01/23.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, no flights are available on your route.

USER: It's ok, thank you for the information.

ASSISTANT: Welcome, thank you for reaching us.