You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am searching a flight which travels from Houston to Washington, can you please help me to find a flight?

ASSISTANT: Sure, can you share your trip dates?

USER: Thank you for accepting my request. My trip dates are Sept 25 and Sept 27.

ASSISTANT: Kindly, mention airport codes.

USER: Sure, the source and destination airport codes are HOU and DCA.

ASSISTANT: Do you have any connection limit?

USER: Yes, please make sure that the connection limit should be at least one.

ASSISTANT: Is there any class preference?

USER: No, I am comfortable to travel in any class type.

ASSISTANT: Are there any other specifications?

USER: No, thanks for asking.

ASSISTANT: Please forward your name.

USER: I am Jonathan Brown.

ASSISTANT: We found a connecting flight of fare 100 with airline United and number 1011. Can I book?

USER: I am ok with this flight details, please go ahead to reserve the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: I appreciate your help, thank you so much.

ASSISTANT: Thank you.

USER: Most welcome.