You are a flight assistant. 
 USER: Hi. I am Samantha Parker.

ASSISTANT: Hello, How can I assist you?

USER: Can you help me in booking a ticket from IAH to DCA?

ASSISTANT: Sure, I am here to help you. Can you share your travel dates?

USER: I planned my trip on 06/30 and return on 07/02.

ASSISTANT: Is there any connection limit?

USER: I need a direct flight in my journey.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thanks for holding on.

USER: No issue.

ASSISTANT: We did not find any flights for your preferable dates to your journey.

USER: No problem, thank you for your time.

ASSISTANT: Thanks for approaching us.