You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Please help me with booking a ticket from 02/20 to 02/22.

ASSISTANT: Sure, Can you share me your airport codes?

USER: Its from MSP to PHX.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Unfortunately there is no flights found on your details.

USER: Thanks for the information.

ASSISTANT: May I know your name?

USER: I am Richard More.

ASSISTANT: Thanks for choosing us.