You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please help me in booking my flight from IAH to reach DCA, as I have a meeting with my colleagues there?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my planned journey dates are Dec 18th and Dec 20th.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am looking for a flight which has a maximum of single connection.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable either in economy class or a business class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I would like to depart in the morning time.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Nancy Rodriguez.

ASSISTANT: There is a direct flight with ticket fare 100 in Spirit airlines in economy class. Is it ok for you?

USER: I am ok with that. Please, reserve it.

ASSISTANT: Your booking is confirmed with flight number 1016. Departure time is 9:00 hours and arrival time is 5:00 hours.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us, have a nice day.