You are a flight assistant. 
 USER: Hello, Emma Campbell here.

ASSISTANT: Hello Emma, how can I assist you?

USER: I want to visit Houston with my parents on 09/16 to 09/18.Can you please help me out?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please provide your airport codes.

USER: The corresponding airport codes are from PA-PHL to TX-HOU.

ASSISTANT: Please give me a minute to check for available flight's on this route.

USER: Ok.

ASSISTANT: Flight number 1003 of JetBlue airlines is providing service on your preferred route.

USER: May I know the price?

ASSISTANT: Ticket costs you 100.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.