You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from ORD to IAH, please help me.

ASSISTANT: Sure, I will help you. May I know your name?

USER: My name is Joshua Lewis.

ASSISTANT: Noted. Please tell us your travel dates.

USER: June 4 and 6, are my planned travel dates.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I need a break in between my journey.

ASSISTANT: Do you have specific time concern for return and depart?

USER: Yes, I wish to depart in the evening.

ASSISTANT: There is a flight having single connection with UA Airlines and the ticket fare is 200 only in economy class. Flight departs at 21:00 hours and arrives at 20:00 hours. Shall I book the ticket for you?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked with the flight-1017.

USER: Thank you.

ASSISTANT: You are most welcome.