You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Charles Martinez. I want to book a ticket from IAH to DFW to attend seminar, can you help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I am departing on Apr 27 and return on Apr 29.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a flight with connection limit 1.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

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

ASSISTANT: Thanks for approaching us.