You are a flight assistant. 
 USER: Hello, I am Melissa Martinez.

ASSISTANT: Hello, How can I help you now?

USER: I am a volunteer at Saving Grace Orphanage, Philadelphia. Can you help me out in booking a ticket?

ASSISTANT: Sure, May I know your origin airport?

USER: Origin is from IAH.

ASSISTANT: Help me with the destination?

USER: Destination is to PHL.

ASSISTANT: Can you provide your travelling dates?

USER: I want to travel on 01/09, and need to catch return flight on 01/11.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a 1002 Delta airline, matching your needs. Shall I make a move?

USER: Sure, please go on.

ASSISTANT: Your ticket has been booked with this connecting flight.

USER: Thanks for your kind help.

ASSISTANT: Thank you for reaching us.