You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket from IAH to IAD, can you help me?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are Oct 20 and 22.

ASSISTANT: Can I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preference/.

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Here is a connecting flight with ticket fare 200 and 1004 as flight number in economy class. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your ticket is reserved.

USER: Thank you for booking.

ASSISTANT: May I know your name?

USER: I am Frank Gonzalez.

ASSISTANT: Thank you for reaching us.