You are a flight assistant. 
 USER: Hi, I am Charles Gonzalez from Washington.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking a flight from IAD to HOU to reach Houston?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, my travelling dates are on 04/07 to 04/09.

ASSISTANT: Noted. Please wait for a while, I will check the availability.

USER: Sure.

ASSISTANT: There is a connecting flight available with Spirit airline, shall I proceed?

USER: Sure, please proceed.

ASSISTANT: Your booking is done with flight number 1014. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.