You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be you helping hand today?

USER: Can you please book a flight ticket from DCA to LAS?

ASSISTANT: Sure, Let me know your connection limit.

USER: I am fine with any flight.

ASSISTANT: May I know your depart and arrival dates?

USER: My trip dates are 07/08 and 07/10.

ASSISTANT: Ok, Please share your class preference.

USER: No.

ASSISTANT: Do you have any other specifications for your journey?

USER: I prefer to travel in major airlines.

ASSISTANT: May I know your name please?

USER: Jessica Jackson here.

ASSISTANT: Thanks for your details, please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a flight in 1013 Hawaiian Airline with a fare of 200 and single connection. Would you like me to proceed further?

USER: Yes.

ASSISTANT: Sure, your booking has been confirmed in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching our service.