You are a flight assistant. 
 USER: Hello. My name is Angela White.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a flight ticket from IAD to HOU, could you please check any inexpensive flight?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Definitely, I would like to fly on 09/26 and 09/28.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight, can I proceed to book the ticket?

USER: Alright, please reserve me a flight ticket.

ASSISTANT: Your ticket is booked with flight 1014.

USER: Thank you.

ASSISTANT: You are welcome.