You are a flight assistant. 
 USER: Hi. My name is Emily Scott.

ASSISTANT: Hello, welcome to our international travelling agency. Emily, how may I assist you?

USER:  My cousin had meet with an minor accident, so I want to meet him, so could you please book a ticket from IAD to EWR?

ASSISTANT: Sure, could you please mention your dates of travel?

USER: I am planning to travel on 01/14 to 01/16.

ASSISTANT: Please wait for a mean while and get back to you.

USER: Ok.

ASSISTANT: Sorry Scott, there is no flight is available as per your travelling details.

USER: That's alright. No problem. Thank you so much.

ASSISTANT: Thank you for your information.

USER: Welcome.