You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Garcia here.

ASSISTANT: How may I assist you?

USER: I would like to attend a business meeting in EWR, so can you please help me out with booking of a flight ticket from CLT?

ASSISTANT: Sure, can you please let me know your planned travel dates?

USER: Sure, I am planning to go on 03/11 and please book a return ticket on 03/13.

ASSISTANT: Ok, please wait a moment, I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that, there are no flights  on the dates you have provided.

USER: Oh! So sad to hear. Anyway, thank you for the information.

ASSISTANT: You are welcome. Have a nice day. Thank you for choosing our travel agency.