You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Shirley Evans here.

ASSISTANT: Shirley Evans, how may I aid you?

USER: I have to go to Philadelphia next week for my film shooting purpose, can you please book a flight ticket for me from my departure time in the afternoon?

ASSISTANT: Sure, please share your journey dates.

USER: Fine, my planned dates should be from Nov 09 to 11.

ASSISTANT: May I know your airport codes?

USER: Ok, my locations are from IAH to PHL.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please hold on for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, no flights are available on your route as per your preferences.

USER: It's ok, no issues. Thanks for checking.

ASSISTANT: Thank you for approaching us.