You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Catherine Allen, want to travel from IAH to SEA. Please help me.

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Thank you, my travelling dates are from 07/23 to 07/25.

ASSISTANT: Just give me a moment, I will check flight availability in this route as per your requested dates.

USER: Ok, take your time.

ASSISTANT: Based on your information, I have found a flight with 0 connection with the fare of 100 provided by AA airlines. Shall I confirm this flight ticket for you?

USER: Please can you check for single connection?

ASSISTANT: Sure. Sorry no connecting flights are available in this route as per your requested dates.

USER: That's fine, thank you.

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