You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Jacob Wright here. I want to book a flight reservation from PHL - IAH, can you help me?

ASSISTANT: Sure. Can I have your travelling dates please?

USER: My travelling dates are from 04/21 to 04/23.

ASSISTANT: Please stay online for a moment.

USER: Ok, take your time.

ASSISTANT: There is a single connection flight available with Delta airlines and it's cost is 100. Shall I continue?

USER: Ok, you can proceed with booking.

ASSISTANT: Your ticket is done with the flight number 1008. Happy journey.

USER: Thank you for helping me out.

ASSISTANT: Welcome. Thank you for approaching us.

USER: Most welcome.