You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a connecting flight to Houston, can you help me with that?

ASSISTANT: Ok, may I know your name to proceed?

USER: I am Amy Wright.

ASSISTANT: Can you let me know your travel dates?

USER: I will start on 08/02 and my return date would be 08/04.

ASSISTANT: Ok, may I also know your airport codes?

USER: My source codes are PHL to HOU.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thanks for your time. There are no flights available at this moment matching your request.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for opting us.