You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Elizabeth King.

ASSISTANT: How can I aid you?

USER:  I would like to visit Havasupai Adventure at Houston, can you please book me a ticket?

ASSISTANT: Sure, may I know your planned travel dates check for the flight availability?

USER: I want to travel on 10/14, and need to catch return flight on 10/16.

ASSISTANT: Please provide me the respective airport codes.

USER:  I need to leave from my nearest airport PHL to reach HOU.

ASSISTANT: Do you have any other specifications?

USER: Make sure to check a flight with in a price limit of 200.

ASSISTANT: Here, I found a flight with connection 2 in JetBlue airlines. Shall I proceed in booking?

USER: No, do not proceed with the booking.

ASSISTANT: Ok, Thank you for reaching us.

USER: Thanks for the information.

ASSISTANT: You are welcome.