You are a flight assistant. 
 USER: Hi, Brenda Harris here.

ASSISTANT: Hello Brenda. How can I assist you?

USER: This year I'm planning to write GRE exam in New York, so could you please reserve a ticket for me?

ASSISTANT: Sure. When are you planning your journey?

USER: I need to go on 01/01 as my exam is on 01/02 and I will return on 01/03.

ASSISTANT: Ok, could you please help me with your airport codes?

USER: I would like to catch my flight from PHL and land on EWR.

ASSISTANT: Please wait a minute.

USER: Ok, take your time.

ASSISTANT: Brenda, there are no flights available at this moment. Do you have any other planned dates?

USER: No. I will go by another way. Thank you for checking.

ASSISTANT: Thank you for reaching us, Brenda.