You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am looking for a flight from EWR to DCA, can you help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are from Jul 30th till Aug 1st.

ASSISTANT: May I know your class preference?

USER: I am ok with any class.

ASSISTANT: Can I know your depart and return timings?

USER: I don't have any limitation in flight timings.

ASSISTANT: May I know your name?

USER: Myself Andrew Hernandez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: The United airlines are providing a flight having a connection limit 1 and the ticket fare of 200. Can I proceed with the ticket booking?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked in an economy class and the flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a happy journey.