You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Could you help me in booking a flight ticket to Houston with the name of Betty Hernandez?

ASSISTANT: Sure, May I know the journey codes?

USER: I want to fly from Philadelphia, PA - PHL to reach TX- IAH.

ASSISTANT: Please help me with your travel dates.

USER: My trip dates are 11/07 - 11/09.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: It's ok, I will checkout with the another airlines.

ASSISTANT: Thank you for availing us.

USER: Thank you for your information.