You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Davis here.

ASSISTANT: How can I aid you?

USER: I am planning to book my ticket from MCO to PHL. Can you please help me with booking?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Step 05 to Sept 07.

ASSISTANT: Do you have any connection limit?

USER: Yes, my connection limit is 1.

ASSISTANT: May I know about your class preference?

USER: No, I din't have any class preference.

ASSISTANT: Do you have any other specifications?

USER: Yes, I would like to depart in the morning time?

ASSISTANT: Ok, please wait.

USER: Sure, I will wait.

ASSISTANT: Sorry, no flights are running on your routes.

USER: Not a problem, thank you for the information.

ASSISTANT: Thanks for reaching us.