You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Michelle Hill here, I want to reserve my ticket from LGA to PHL, can you please help me out?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my planned dates of journey are from Jun, 01 to Jun, 03.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a depart time at morning.

ASSISTANT: Give me a minute.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.