You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Edwards.

ASSISTANT: Andrew Edwards, how may I aid you?

USER: I want to travel from MSP to PHL. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please provide your journey dates.

USER: I want to travel in the flight in April on 02 and 04.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no flight is available on your route.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for choosing us.