You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please assist me to book a flight ticket from HOU to DTW to meet my family?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: I have planned to travel on July 15th and return on July 17th.

ASSISTANT: May I know your name please?

USER: Anna Mitchell.

ASSISTANT: Is there any connection limit?

USER: I like one connecting flight.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: No, thanks.

ASSISTANT: Sorry for inconvenience, no flights are found with your specifications.

USER: Ok, no problem in that.

ASSISTANT: Thank you very much for contacting our agency.

USER: Thank you.