You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Perez.

ASSISTANT: How can I help you?

USER: I want to meet my old friend in Minneapolis. Can you book a ticket from PHL to MSP?

ASSISTANT: Sure, can you share your travelling dates?

USER: I would like to travel on 07/07 and 07/09.

ASSISTANT: Give me  a minute.

USER: Ok.

ASSISTANT: Sorry, there is no flight on your requested dates.

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

ASSISTANT: Thank you for opting us.