You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to reserve my ticket from SFO to PHL to visit Philadelphia, can you please help me in booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Sure, my preferable dates of journey are from Mar, 08 to Mar, 10.

ASSISTANT: May I know your name?

USER: Sure, my name is Betty Johnson.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want to depart at morning time with the economy class.

ASSISTANT: Ok, wait for some time.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thanks for contacting us.