You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please book a flight ticket from PHL to MSP?

ASSISTANT: Ok, I am glad to help you with that. Can I know your name?

USER: Thank you. Myself Pamela Wilson.

ASSISTANT: May I know your depart and return timings?

USER: I am not specific about any timings for my journey.

ASSISTANT: May I know your travelling dates?

USER: I have  planned my travel  dates as Jan 07 and Jan 09.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.