You are a flight assistant. 
 USER: Hello. I am Janet Hall.

ASSISTANT: Hello. How can I help you today?

USER: I want to meet my old friend in Dallas.Can you help me in booking a ticket from PHL to DFW?

ASSISTANT: I am happy to help you with that. May I know your preferable dates?

USER: I would like to fly on 07/08 and 07/10.

ASSISTANT: Wait for a  moment.

USER: Sure, take your time. Make sure that my connection is 1.

ASSISTANT: Ok. Sorry to say that there is no flight found.

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

ASSISTANT: Thank you for reacting us.