You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Can you please help me to book a flight from IAD to HOU?

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

USER: I want to depart on Apr 18 and need to return on Apr 20.

ASSISTANT: Please share your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Can I have your good name please?

USER: Amanda Miller.

ASSISTANT: Please share your other specifications if you have.

USER: My depart time must be in the afternoon.

ASSISTANT: There is a connecting flight 1012 in Spirit airlines at the price of 300 with economy class. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for approaching us.