You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am Samantha Turner.

ASSISTANT: Ok.

USER: I want to book  a flight ticket to attend an event from DC-DCA to TX-IAH. Can you help me?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

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

USER: I need a connecting flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: 03/09 and 03/11 are my travelling dates.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Unfortunately, We found a Jet Blue airline which is a direct flight, that does not matches your needs.

USER: You can reserve it. Do Not reserve it.

ASSISTANT: Ok, Thank you for reaching us.

USER: Thank you.