You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Melissa Thompson. I am planning to attend music concert at MSP, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, I would like to take off on Mar 26 and return on Mar 28.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart during morning time.

ASSISTANT: Yes.

USER: I prefer normal cost airline with 0 connection.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, no issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.